Cycling FTP Calculator: Calculate Your Functional Threshold Power & Training Zones Free

You cannot train effectively without knowing your numbers. Every serious cyclist from weekend warriors to competitive road racers needs one foundational metric to structure training, pace efforts, and measure progress over time. That metric is your Functional Threshold Power (FTP). Our free Cycling FTP Calculator gives you your FTP in seconds. Enter your test result from a 20-minute field test, a ramp test, or a direct power entry and instantly receive your FTP in watts, your power-to-weight ratio (W/kg), your full 7-zone training breakdown, your rider category classification, and personalised training advice to help you improve. No email. No subscription. No sign-up. Just accurate, science-based cycling performance metrics free.

Cycling FTP Calculator — Find Your Functional Threshold Power | Diet Planner

🚴 Cycling FTP Calculator

Calculate your Functional Threshold Power (FTP), discover all 7 training zones, and get a personalised power profile — using your 20-min test, ramp test, or direct FTP entry.

✓ 3 Test Methods ✓ All 7 Training Zones ✓ W/kg Power-to-Weight ✓ Rider Category ✓ 100% Free
Calculate Your FTP
⚡ FTP Calculator
Test Method *
⏱️ 20-Min Test Most accurate field test
📈 Ramp Test 75% of best 1-min power
⌨️ Direct Entry Enter FTP manually
watts
FTP = 95% of your 20-min average power. Ride as hard as you can sustain for the full 20 minutes on a flat road or trainer. Start with a 5-min all-out effort, rest 5 min, then begin the test.
watts
FTP = 75% of your best 1-minute power during the ramp test. Start at a low wattage, increasing by a fixed amount (e.g. 20W) every 1 minute until you cannot continue. Record your highest 1-min average.
watts
Enter your known FTP from a previous test or from your cycling computer / power meter. FTP is the maximum average power you can sustain for approximately 60 minutes.
kg
Weight Unit
Please check your inputs.
Your Functional Threshold Power
W
Your Power Profile
📊 Key FTP Metrics
FTP (watts)
⚖️
W/kg Ratio
🎯
Rider Category
💪
Test Method
Training Zones — Visual
📈 Your 7 Power Zones
Training Zones — Full Reference
📋 Complete Zone Breakdown
Zone Name % of FTP Power Range Purpose
Rider Category Reference
🏆 W/kg Classification Table
Category W/kg (Male) W/kg (Female) Description
Estimated Performance Benchmarks
🏅 What Your FTP Predicts
How to Improve Your FTP
💡 Evidence-Based Training Tips

FTP calculations are estimates based on standard cycling physiology protocols. Individual results vary. Retest every 6–8 weeks as fitness improves. For best accuracy, conduct tests fully rested and under consistent conditions. This tool is for educational and training planning purposes only.

What Is FTP in Cycling?

Functional Threshold Power (FTP) is the maximum average power output you can sustain for approximately 60 minutes. It is the single most important number in power-based training because it defines every one of your training zones and serves as the benchmark for all structured cycling workout zones.

FTP is measured in watts the unit of power output captured by a power meter mounted to your bike or measured by a smart trainer during indoor cycling training. Unlike heart rate, which fluctuates based on caffeine, stress, heat, and hydration, power is an objective, consistent, and immediately readable measure of cycling workload making it the gold standard for cycling fitness assessment.

Think of FTP as the upper boundary of your sustainable aerobic threshold. Below your FTP, your body can process lactate as fast as it produces it. Above your FTP, lactate accumulates faster than your body can clear it, and fatigue arrives within minutes. This boundary also called the lactate threshold or anaerobic threshold is exactly what FTP measures.

Why does FTP matter so much?

  • Every power zone is calculated as a percentage of your FTP
  • Your Training Stress Score (TSS) is calculated relative to FTP
  • Your Intensity Factor (IF) — the ratio of your Normalized Power (NP) to your FTP — tells you how hard a ride really was
  • Your power profiling and Power Duration Curve are anchored to your FTP
  • Your Chronic Training Load (CTL) and Acute Training Load (ATL) on a Performance Management Chart (PMC) only make sense if your FTP is accurate

Without an accurate FTP, every structured cycling training plan becomes guesswork.

How Is FTP Calculated? The 3 Methods Explained

Our FTP Test Calculator supports three different methods. Each has strengths and limitations. Here is exactly how each one works:

Method 1 — The 20-Minute FTP Test (Most Accurate)

The 20-minute FTP test is the most widely used functional threshold power test in cycling. It is the method developed and popularised by Dr. Andrew Coggan one of the foundational scientists behind cycling physiology and power-based training.

How to execute the 20-minute test:

  1. Warm up for 15–20 minutes, including a hard 5-minute all-out effort followed by 5 minutes of easy spinning
  2. Begin the 20-minute test effort ride as hard as you can sustain for the full 20 minutes on a flat road, velodrome, or trainer
  3. Maintain a consistent, high-effort cadence throughout avoid pacing errors by starting slightly conservatively and building intensity
  4. Record your average power across the full 20 minutes


    The FTP calculation:

    FTP = 20-Minute Average Power × 0.95

    The 0.95 factor (95% of 20-minute average power) accounts for the fact that 20 minutes is shorter than 60 minutes. Physiologically, most cyclists produce approximately 5% more average power over 20 minutes than they can sustain for a full hour so multiplying by 0.95 gives an accurate estimate of true sustainable power output.

    When to use it: When you want the most accurate FTP Calculator from 20-minute test result and have access to a flat road or indoor trainer. Retest under the same conditions every 6–8 weeks.

Method 2 — The Ramp Test (FTP From Peak 1-Minute Power)

The ramp test is a newer, increasingly popular protocol used by platforms like Zwift, TrainerRoad, and most indoor cycling training apps. It is shorter and less mentally demanding than the 20-minute test making it ideal for newer cyclists and for regular retesting.

How the ramp test works:

  1. Start at a low, easy wattage (typically 100–150W)
  2. Increase power by a fixed increment (usually 20W) every 1 minute
  3. Continue until you physically cannot maintain the required power
  4. Record the highest 1-minute average power you achieved (your ramp peak)

The FTP calculation:

FTP = Best 1-Minute Ramp Power × 0.75

Research shows that 75% of peak 1-minute ramp power closely approximates threshold power for most cyclists. However, the ramp test is slightly less accurate for cyclists with a high anaerobic capacity those who can sustain very high short-duration efforts may see a slightly inflated FTP estimate from this method.

When to use it: For regular, low-stress testing, indoor training, or when you want a quick FTP Calculator for indoor cycling result.

Method 3 — Direct FTP Entry (From Power Meter or Previous Test)

If you already have an FTP value from a cycling computer, power meter reading, or a recent structured test, enter it directly. This method is useful for:

  • Cyclists returning to structured training who know their previous FTP
  • Athletes using critical power software that calculates FTP from Power Duration Curve data
  • Riders who have recently completed a coached FTP assessment

Direct entry gives you instant access to all 7 training zones, your W/kg ratio, and your rider category — without needing to retest.

What Are FTP Training Zones? All 7 Zones Explained

Your cycling power zones are the seven bands of intensity that structure every effective cycling training plan. Each zone is defined as a percentage of your FTP and produces specific physiological adaptations that build cycling endurance, aerobic capacity, and threshold adaptation.

Here is a complete guide to all seven zones:

Zone 1 — Active Recovery (< 55% FTP)

Zone 1 is true easy riding. At this intensity, your body recovers from harder sessions, increases blood flow to muscles, clears metabolic waste, and prepares you for the next training stimulus. A recovery ride in Zone 1 should feel almost effortless.

When to train here: The day after a hard interval session, race, or long endurance ride. Most cyclists underestimate how easy Zone 1 should feel if you feel like you are working at all, you are probably in Zone 2.

Zone 2 — Endurance (56–75% FTP)

Zone 2 is the foundation of all endurance cycling and endurance training. Training at this intensity builds your aerobic base improving mitochondrial density, fat oxidation efficiency, and capillary development in working muscles. These adaptations directly support peak cycling performance over months and years.

Research insight: Elite cyclists spend 75–80% of their total training hours in Zone 2. Going too hard during Zone 2 sessions a common mistake reduces the quality of both the easy session and the hard session that follows it.

When to train here: Long rides of 2–5+ hours. True Zone 2 should allow you to hold a full conversation comfortably throughout.

Zone 3 — Tempo (76–90% FTP)

Zone 3 sits at a comfortably hard intensity sustainable for 20–60 minutes by trained cyclists. Tempo work improves lactate threshold, cycling efficiency, and sustainable power over medium durations. This is a productive zone but one that should not dominate your training week it is too hard to repeat daily and too easy to produce the sharpest threshold adaptations.

When to train here: 20–60 minute sustained efforts on flat or rolling terrain. Classic time trial pacing for less experienced cyclists often falls here.

Zone 4 — Threshold (91–105% FTP)

Zone 4 threshold training is the most productive zone for directly improving FTP. Riding at and around your FTP pushes your lactate threshold higher over time, allowing you to sustain more power for longer durations. The classic “sweet spot” training range (88–93% FTP) sits at the Zone 3/4 boundary and offers the highest return on training time investment.

When to train here: 2–4 × 8-20 minute intervals at 91–105% FTP, with equal rest. Limit to 2–3 sessions per week. This is the zone that most directly produces threshold adaptation and cycling performance improvement.

Zone 5 — VO2 Max (106–120% FTP)

Zone 5 targets your VO2 Max the maximum rate at which your body can consume and use oxygen. Intervals in this zone are short (3–8 minutes) but brutally intense. They improve your aerobic capacity, cardiac output, and the ceiling of your sustainable power output.

When to train here: 4–6 × 4-minute intervals at 106–120% FTP with 4 minutes of rest. These are demanding sessions schedule them after completing 4–6 weeks of Zone 3/4 base work. Your VO2 Max is directly related to your endurance performance potential.

Zone 6 — Anaerobic Capacity (121–150% FTP)

Zone 6 targets your anaerobic capacity your ability to produce power when oxygen supply cannot meet demand. Efforts here last 30 seconds to 2 minutes and are used for attacking, bridging gaps, climbing punchy hills, and sprint finishes in road cycling.

When to train here: 6–12 × 30-second to 2-minute all-out efforts with extended recovery (2–4 minutes). This zone is used in race preparation and during the final training block before events.

Zone 7 — Neuromuscular Power (> 150% FTP)

Zone 7 is pure sprint power maximal efforts lasting fewer than 10 seconds. These efforts train your neuromuscular system, fast-twitch muscle fibre recruitment, and peak sprint speed. Zone 7 work does not significantly improve FTP but it is essential for track cyclists, criterium racers, and anyone who needs a competitive sprint finish.

When to train here: 6–10 × 6-10 second maximal sprints with 3–5 minutes of full recovery between efforts.

What Is a Good FTP for Cyclists? The W/kg Benchmarks

Raw FTP in watts tells you how much power you produce. But power-to-weight ratio (W/kg) — your FTP divided by your body weight in kilograms — tells you how fast you will actually go, especially on climbs. It is the most meaningful cycling performance metric for comparing riders of different sizes.

Here are the standard power profiling benchmarks used by coaches and platforms like British Cycling and USA Cycling:

Male Rider Categories:

Category W/kg Range Description
Cat 5 / Untrained
< 2.5 W/kg
New to cycling or returning after a long break
Cat 4 / Novice
2.5 – 2.99 W/kg
Recreational cyclist, rides regularly
Cat 3 / Intermediate
3.0 – 3.49 W/kg
Consistent training, local event participation
Cat 2 / Advanced
3.5 – 3.99 W/kg
Serious amateur, competitive at local level
Cat 1 / Expert
4.0 – 4.49 W/kg
Strong amateur racer, regional competition
Pro / Elite
4.5 – 5.49 W/kg
Near-professional or domestic pro level
World Tour Pro
> 5.5 W/kg
Critical — urgent review needed

Female Rider Categories:

Category W/kg Range Description
Cat 5 / Untrained
< 2.0 W/kg
New to cycling or returning after a long break
Cat 4 / Novice
2.0 – 2.49 W/kg
Recreational cyclist, rides regularly
Cat 3 / Intermediate
2.5 – 2.99 W/kg
Consistent training, local event participation
Cat 2 / Advanced
3.0 – 3.49 W/kg
Serious amateur, competitive at local level
Cat 1 / Expert
3.5 – 3.99 W/kg
Strong amateur racer, regional competition
Pro / Elite
4.0 – 4.99 W/kg
Near-professional or domestic pro level
World Tour Pro
> 5.0 W/kg
Critical — urgent review needed

Real-world reference points:

  • Tour de France General Classification winners typically sustain > 6.0 W/kg for 30+ minutes on major climbs
  • A typical fit amateur cyclist achieves 3.0–3.5 W/kg after 2–3 years of structured training
  • Most beginners starting structured training progress from 2.0–2.5 W/kg to 3.0+ W/kg within 12–18 months

To improve your W/kg, you have two levers: raise your FTP through training and manage your body weight through nutrition. Both matter and our reverse dieting calculator can help you manage the nutrition side without sacrificing cycling performance.

How to Improve Your FTP — A Structured Approach

Improving your Functional Threshold Power is the central goal of most structured cycling training plans. Here is the evidence-based approach that works:

Phase 1 — Build Your Aerobic Base (4–8 Weeks)

Start with high-volume Zone 2 training. Long, easy rides at 56–75% FTP build the aerobic infrastructure mitochondrial density, capillary networks, fat oxidation that supports all higher-intensity work. Without a strong aerobic base, threshold intervals produce diminishing returns.

Weekly structure: 3–5 rides per week, with 60–80% of total training time in Zone 2. Add one longer ride each week (2.5–4 hours at true Zone 2 pace).

Phase 2 — Sweet Spot and Threshold Work (4–8 Weeks)

Sweet spot training at 88–93% FTP is the highest-return training approach for improving FTP per hour of training invested. It sits below the full stress of Zone 4 intervals but above the low stimulus of Zone 2 — allowing you to accumulate significant cycling workload without excessive fatigue.

Weekly structure: 2–3 sweet spot sessions per week (3 × 12 min, 2 × 20 min, or 1 × 40 min at 88–93% FTP). Keep remaining rides in Zone 2. Add one full threshold session (2 × 20 min at 95–100% FTP) after 3 weeks.

Phase 3 — VO2 Max Development (3–4 Weeks)

After building your threshold base, short blocks of VO2 Max work (Zone 5) raise your aerobic capacity ceiling pulling your FTP up with it. These sessions are short but demanding.

Weekly structure: One VO2 max session per week (4–6 × 4 minutes at 110–120% FTP, 4 min rest). Maintain one threshold session and 2–3 Zone 2 rides. Do not extend this phase beyond 4 weeks without a recovery week.

Phase 4 — Recovery Week and Retest

Every 4th week should be a structured recovery week reduce total volume by 40–50%, keep intensity moderate, and allow your body to fully absorb the training stimulus. After the recovery week, retest your FTP using the same method as before.

Most cyclists improve FTP by 3–8% per 8-week training block when following a structured programme with larger gains possible in the first 12–18 months of power-based training.

Understanding Advanced Cycling Metrics

Once you know your FTP, you can use it to unlock a full suite of advanced cycling metrics that give you deeper insight into your training and cycling performance:

Normalized Power (NP) Normalized Power accounts for the variable nature of outdoor riding the repeated surges, descents, and stops that make raw average power an incomplete picture. NP uses a mathematical algorithm that weights high-power efforts more heavily than easy coasting, giving a truer picture of the physiological cost of a ride.

Intensity Factor (IF) Intensity Factor is your NP divided by your FTP. An IF of 1.0 means you rode at exactly your FTP intensity. A race might produce an IF of 0.90–1.05; a Zone 2 ride produces an IF of 0.65–0.75. IF helps you compare the relative intensity of very different rides.

Training Stress Score (TSS) Training Stress Score combines duration and intensity into a single number that quantifies your overall cycling workload. A 1-hour ride at exactly FTP = 100 TSS. A 4-hour Zone 2 ride might be 160–200 TSS. Weekly TSS targets help you manage progressive overload without overtraining.

Chronic Training Load (CTL) Chronic Training Load is a rolling 42-day weighted average of your daily TSS essentially your long-term fitness level. Increasing CTL steadily over months directly correlates with improved endurance performance and FTP gains.

Acute Training Load (ATL) Acute Training Load is a rolling 7-day weighted average of daily TSS representing your short-term fatigue level. When ATL significantly exceeds CTL, fatigue management becomes the priority it is a signal to reduce training load before performance or health suffers.

Performance Management Chart (PMC) The Performance Management Chart plots CTL (fitness), ATL (fatigue), and the difference between them (Form/TSB Training Stress Balance) over time. Experienced cyclists use the PMC to plan training blocks, taper for events, and identify overreaching before it becomes overtraining.

Critical Power Critical Power is the theoretically maximum power you can sustain indefinitely without fatigue accumulation. In practice, it is slightly higher than FTP and is derived from mathematical modelling of your Power Duration Curve. Critical Power models offer slightly more precise zone prescription than FTP alone for highly trained cyclists.

Power Duration Curve Your Power Duration Curve plots your best average power for every duration from 1 second to several hours. It reveals your strengths (sprinter, puncher, climber, time trialist) and weaknesses and changes as your fitness improves. Most power meter software generates this curve automatically.

FTP Testing Best Practices — Get Accurate Results Every Time

Your FTP test is only as accurate as the conditions you test in. Follow these best practices to ensure your FTP Calculator from average power gives you results you can trust:

Always test fully rested Test after at least 1–2 rest days. Testing when fatigued suppresses your true power output and gives you an FTP that underestimates your actual fitness leading to training zones that are too conservative.

Test under consistent conditions Test on the same road segment or the same trainer setup each time. Variables like wind, gradient, heat, and road surface all affect your average power and make comparison between tests unreliable if conditions vary significantly.

Use the same test method every time Do not switch between the 20-minute test and the ramp test between testing blocks. Different methods produce slightly different FTP estimates due to differing demands on your anaerobic capacity. Pick one method and use it consistently.

Calibrate your power meter before every test Power meter calibration eliminates measurement drift that can artificially inflate or suppress your readings. Spin the cranks, tap the calibration button, and wait for confirmation before starting your test ride.

Eat and hydrate normally Test at the same time of day, after a normal pre-ride meal. Avoid caffeine variation, significant dietary changes, or alcohol in the 24 hours before your test. All of these affect your heart rate response and perceived effort which influence pacing and therefore power output.

Warm up properly every time The 5-minute pre-test effort in the 20-minute protocol is not optional it primes your neuromuscular system and aerobic pathways, giving you more accurate and repeatable results. Skipping it leads to a slow start and an underestimated FTP.

Retest every 6–8 weeks Your FTP changes as your fitness changes. Testing every 6–8 weeks at the end of each training block keeps your zones accurate and your training stimulus correctly calibrated. Stale zones lead to undertraining or overtraining.

Indoor vs Outdoor Cycling Training — Which Is Better for FTP?

Both indoor cycling training and outdoor cycling training improve FTP effectively. The right choice depends on your goals, schedule, and available equipment.

Indoor training advantages:

  • Perfectly controlled conditions no wind, traffic, or stoplights interrupting your intervals
  • Precise power measurement from your smart trainer without the variables of outdoor terrain
  • Ideal for structured threshold interval training, ramp tests, and sweet spot sessions
  • Time-efficient a 60-minute indoor session often delivers more training stimulus than a 90-minute outdoor ride

Outdoor training advantages:

  • Greater variety of terrain  climbs, descents, and rolling roads develop neuromuscular patterns that indoor training cannot fully replicate
  • More psychologically engaging essential for maintaining long-term training adherence over months and years
  • Develops bike handling, pacing, and race preparation skills that do not transfer from indoor training
  • Endurance riding performance on long climbs requires outdoor-specific muscular endurance

The optimal approach:

Use indoor training for 2–3 structured, high-quality sessions per week (threshold intervals, sweet spot, VO2 max). Use outdoor riding for Zone 2 endurance sessions, long rides, and time trial performance simulation.

FTP and Heart Rate — How They Work Together

Most cyclists start training with heart rate zones before investing in a power meter. Heart rate and FTP are related but measure different things:

Heart rate measures your cardiovascular response to exercise. It lags 15–30 seconds behind changes in effort, fluctuates based on heat, hydration, stress, and caffeine, and cannot measure instantaneous effort changes accurately.

Power (FTP) measures mechanical output directly. It responds instantaneously, is unaffected by environmental conditions, and provides objective, repeatable data.

Heart Rate Zones are calculated from your maximum heart rate or lactate threshold heart rate and roughly correspond to FTP power zones. But a cyclist in Zone 4 by heart rate may be producing significantly different power depending on fatigue, heat, or fitness changes.

The most effective training approach uses both: power to set and execute intensity targets, heart rate to monitor recovery status and long-term cardiovascular adaptation. If your heart rate at a given power output is dropping over time, your fitness is improving one of the clearest signals of successful threshold adaptation.

Frequently Asked Questions About FTP

What is FTP in cycling?

Functional Threshold Power (FTP) is the maximum average power output measured in watts that a cyclist can sustain for approximately 60 minutes without fatigue accumulation. It is the most important metric in power-based training because it defines every training zone, anchors your Training Stress Score, and serves as the primary measure of cycling fitness assessment and endurance performance improvement.

FTP is calculated from one of three methods: (1) multiply your 20-minute average power by 0.95 — representing 95% of 20-minute average power; (2) multiply your best 1-minute ramp test power by 0.75; or (3) enter a directly measured or known FTP value. Our Cycling FTP Calculator handles all three methods instantly.

A good FTP depends on your body weight and experience level. The meaningful benchmark is watts per kilogram (W/kg): recreational cyclists typically achieve 2.5–3.0 W/kg; serious amateurs reach 3.5–4.0 W/kg; elite amateurs and domestic professionals achieve 4.5–5.5 W/kg. Tour de France contenders sustain 6.0+ W/kg on major climbs. Use our FTP Watts Calculator to find your category.

Test your FTP every 6–8 weeks at the end of each structured training block. Testing more frequently than this rarely reflects meaningful fitness change and adds unnecessary fatigue. Always test fully rested and under consistent conditions for cycling fitness benchmarking you can trust.

Improve FTP through structured progressive training: build your aerobic base with Zone 2 endurance rides, add sweet spot and threshold interval training at 88–105% FTP, and include periodic VO2 Max sessions at 106–120% FTP. Consistency over months not single hard sessions drives FTP improvement. Our Cycling Training Calculator provides personalised zone targets to guide every session.

The 20-minute FTP test is the most accurate and widely used functional threshold power test in cycling. You ride as hard as you can sustain for 20 minutes after a proper warm-up and a hard 5-minute effort and multiply your average power by 0.95 to calculate FTP. The test is best performed on a flat road, a velodrome, or an indoor trainer with accurate power measurement.

FTP training zones are seven bands of cycling intensity — each defined as a percentage of FTP — that produce different physiological adaptations. Zone 1 (< 55% FTP) promotes active recovery. Zone 2 (56–75%) builds aerobic endurance. Zone 3 (76–90%) improves tempo and lactate threshold. Zone 4 (91–105%) is threshold work that directly raises FTP. Zone 5 (106–120%) targets VO2 Max. Zone 6 (121–150%) develops anaerobic capacity. Zone 7 (> 150%) trains neuromuscular sprint power.

FTP and lactate threshold are closely related but not identical. Lactate threshold is the exercise intensity at which blood lactate concentration begins to rise exponentially typically occurring at approximately 80–85% of VO2 Max. FTP approximates the anaerobic threshold the highest intensity at which lactate production and clearance are balanced which corresponds closely to the lactate threshold in most trained cyclists. FTP is the practical, power-meter-based proxy for lactate threshold that does not require laboratory testing.

A Functional Threshold Power Calculator is as accurate as the test data you put into it. The 20-minute test protocol produces FTP estimates within 3–5% of laboratory-measured lactate threshold for most trained cyclists. The ramp test can slightly overestimate FTP for riders with high anaerobic capacity. For most training purposes, either method provides sufficient accuracy to set productive and physiologically appropriate cycling power zones.

The right power zones depend on your current fitness and goals. For FTP improvement, spend the most time in Zone 2 (aerobic base), Zone 3 (tempo), and Zone 4 (threshold). For race preparation, add Zone 5 (VO2 Max) and Zone 6 (anaerobic) work in the 6–8 weeks before your target event. Recovery weeks should consist entirely of Zone 1 and Zone 2 riding. Our Cycling Power Zone Calculator generates your exact watt ranges for each zone based on your FTP.

Critical Power (CP) is a mathematical construct derived from the Power Duration Curve it represents the highest power you can sustain indefinitely without fatigue accumulation in theory. In practice, FTP and Critical Power are closely related, with Critical Power typically 3–7% higher than FTP. FTP is a practical, field-tested metric; Critical Power requires modelling multiple maximal efforts across different durations. Both serve as effective anchors for power profiling and zone prescription.

Why Use Our Cycling FTP Calculator?

There are several free cycling FTP calculators online. Here is what makes ours stand apart:

Three test methods — 20-min test, ramp test, and direct FTP entry
All 7 training zones — exact watt ranges for every zone based on your FTP
Power-to-weight ratio — W/kg calculated instantly with your rider category
Gender-specific benchmarks — separate male and female W/kg classification tables
Visual zone bars — see your zones displayed as a clear, colour-coded power spectrum
Estimated performance benchmarks — flat TT speed, Zone 2 max, sprint power estimate
Personalised training tips — dynamically ordered based on your current W/kg levelInstant results — no email, no sign-up, sub-1-second load time
100% free — no paywall, no subscription, no data collection

The Bottom Line on FTP

Your FTP is the most powerful number in cycling. It tells you how fit you are, how hard to train, how to pace a race, and how much you have improved. Without it, every ride is guesswork with it, every ride has a purpose.

Whether you are preparing for your first sportive, targeting a local time trial, building for a multi-day cycling event, or chasing a higher category on Zwift, your FTP gives you the structure, the objective feedback, and the training direction you need to improve systematically.

Calculate your FTP now using the tool above. Find your zones. Train with purpose. Get faster.

NOTE: Content reviewed for cycling physiology accuracy. FTP values and training zone prescriptions are based on the work of Dr. Andrew Coggan, the British Cycling coaching framework, and peer-reviewed endurance sports research. Always consult a qualified cycling coach before beginning a structured training programme, particularly if you have cardiovascular conditions or are new to high-intensity exercise.