Exercise Bike Calorie Calculator (2026): Watts, Weight, Time

ByNicolas Pizzo

Exercise Bike Calorie Calculator

Your ride

Intensity from
W
Average watts from the console or app summary.
lb
Ride time
hminsec
–kcal/min

Calories burned

–

–kcal per hour
–Watts
–METs

Calories by method

MET method2024 Adult Compendium
–
–
ACSM cycling equationfrom watts and your weight
–
–

Estimates for healthy adults, not medical advice. Real energy use varies with fitness and body composition, and bike consoles estimate watts differently.

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Free tool · Updated November 5, 2026

Calories from your watts or effort, your weight and your time

The calorie number on a bike console often ignores your weight. This calculator uses your weight with two published methods, and works even when your bike shows no watts.

2 methodsMETs and the ACSM equation
Watts or effortwhatever your bike shows
lb or kgyour body weight
Tablesby weight and power

Short answer

Calories burned on an exercise bike depend on your power, weight and time. At 100 watts for 30 minutes, a 180 lb rider burns about 245 kcal by the MET method of the 2024 Adult Compendium and about 251 kcal by the ACSM cycling equation. Enter your own numbers below for both estimates.

Key takeaways

  • Power in watts drives the burn more than time alone.
  • Weight matters: a heavier rider burns more at the same effort.
  • No watts on the console? The effort setting uses typical watts for that feel.
  • Both methods are estimates; compare your rides with the same method.

Most exercise bike consoles show calories, but many use a fixed body weight or a rough guess from speed. This exercise bike calorie calculator starts from what you can read on almost any bike, average watts, or from how hard the ride felt, and uses your own weight.

It runs two independent estimates: the MET values measured for stationary cycling in the 2024 Adult Compendium of Physical Activities, and the leg cycling equation from the American College of Sports Medicine. Seeing both gives a fair range rather than one false-precise number.

How the Two Methods Work

Method 1, METs. A MET is the energy you use sitting still, defined as 1 kcal per kilogram per hour. The 2024 Adult Compendium of Physical Activities lists measured values for stationary cycling by power, from 3.5 METs at 25 to 30 W to 16.3 METs above 325 W, plus 9.0 METs for a spin class. Calories = METs x weight in kg x hours.

Method 2, the ACSM equation. The American College of Sports Medicine estimates oxygen use on a cycle ergometer as 1.8 x work rate (kg.m per minute) / body weight + 7 mL per kg per minute, where 1 watt is about 6.12 kg.m per minute. Each liter of oxygen is close to 5 kcal.

Where they differ: the ACSM equation moves smoothly with every watt, the MET method in steps, so near a band edge the gap can be large. The Compendium values are for adults aged 19 to 59. The CDC guide to measuring activity intensity explains how METs relate to moderate and vigorous effort.

Stationary cycling METs in the 2024 Adult Compendium of Physical Activities
CodeActivityMETs
01210Bicycling, stationary, 25 to 30 W, very light3.5
01214Bicycling, stationary, about 50 W, light4
01216Bicycling, stationary, about 60 W, light to moderate5
01218Bicycling, stationary, 70 to 80 W5.8
01220Bicycling, stationary, 90 to 100 W, moderate to vigorous6
01224Bicycling, stationary, 101 to 125 W6.8
01228Bicycling, stationary, 126 to 150 W8
01232Bicycling, stationary, 151 to 199 W10.3
01236Bicycling, stationary, 200 to 229 W, vigorous10.8
01240Bicycling, stationary, 230 to 250 W, very vigorous12.5
01244Bicycling, stationary, 270 to 305 W, very vigorous13.8
01248Bicycling, stationary, over 325 W, very vigorous16.3
01200Bicycling, stationary, general6.8
01270Bicycling, stationary, RPM/spin bike class9

Calories Burned on an Exercise Bike in 30 Minutes

The two tables below give the calories for a 30-minute ride at five power levels and five body weights. Double them for an hour. Pick the row closest to your average watts.

Calories burned in 30 minutes on an exercise bike, MET method (2024 Adult Compendium)
Average watts (METs)Watts130 lb130160 lb160190 lb190220 lb220250 lb250
50 W (4 METs)118145172200227
75 W (5.8 METs)171210250289329
100 W (6 METs)177218259299340
150 W (8 METs)236290345399454
200 W (10.8 METs)318392465539612
Calories burned in 30 minutes on an exercise bike, ACSM cycling equation
Average wattsWatts130 lb130160 lb160190 lb190220 lb220250 lb250
50 W145159173187202
75 W186200214229243
100 W227241256270284
150 W310324338353367
200 W392407421435450

When Your Bike Shows No Watts

Many budget, folding and recumbent bikes show speed, distance and a resistance level but no watts, and speed on a stationary bike is only a display value. The effort setting uses a typical power for each feel: light about 75 W, moderate about 110 W, hard about 165 W and very hard about 220 W.

These are averages for recreational riders; a trained cyclist produces more power at the same feel. If your bike has a power reading or pairs with an app that shows watts, enter the watts instead.

How to Burn More Calories on an Exercise Bike

Power is the lever: raising resistance or cadence until you hold more watts adds more calories per minute than riding longer at an easy pace, as long as you recover well.

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Exercise Bike Calorie CalculatorFree calculatorExercise Bike Calorie CalculatorEstimate calories burned on an exercise bike from your watts or effort level, body weight and time, with the MET method and the ACSM cycling equation side by side.Open the calculator →by FITGEARHQ

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Checklist for an Accurate Calorie Estimate

4 checks

  1. 01

    Use the ride averageRead average watts from the summary screen, not a sprint peak.

  2. 02

    Weigh yourself firstBody weight changes the result in both methods.

  3. 03

    Enter the full timeInclude warm-up and cool-down if you pedaled through them.

  4. 04

    Compare like with likeTrack your rides with one method so the trend is fair.

Common Mistakes to Avoid

  • Mistake 1Trusting the console number as-is

    Instead: Many consoles ignore your weight or estimate from speed.

  • Mistake 2Counting peak watts

    Instead: Calories follow average power over the ride.

  • Mistake 3Adding the two methods together

    Instead: They estimate the same thing; read them as a range.

  • Mistake 4Reading speed as effort

    Instead: Speed on a stationary bike is a display value, not your power.

The Bottom Line

  • MET method: kcal = METs x weight in kg x hours, 3.5 to 16.3 METs by watts.
  • ACSM equation: oxygen use from watts and weight, 5 kcal per liter of oxygen.
  • Works with watts or a simple effort level for bikes without a power reading.
  • Free, no sign-up; the link keeps your inputs.

Frequently Asked Questions

It depends on power and weight. A 180 lb rider at 100 watts burns about 245 kcal by the MET method; at 150 watts, about 327 kcal.

It is a rough estimate. Many consoles use a fixed weight or calculate from speed. Entering your average watts and weight, as this calculator does, gives a better estimate.

Multiply the MET value for your power by your weight in kg and the hours ridden, or use the ACSM equation: oxygen use = 1.8 x watts x 6.12 / weight in kg + 7 mL/kg/min, about 5 kcal per liter.

At the same watts, the energy cost is similar. Recumbent riders often hold lower power, so they burn fewer calories per hour in practice, not because of the seat itself.

In the 2024 Adult Compendium, stationary cycling ranges from 3.5 METs at 25 to 30 watts to 16.3 METs above 325 watts; general stationary cycling is 6.8 METs and a spin class 9.0 METs.

Yes. In both methods the calories scale with body weight at a given effort.

Explore More Exercise Bike Guides

Nicolas Pizzo is the founder and managing editor of FitGearHQ. A certified Krav Maga and combat sports instructor with 39 years of martial arts, black belts in 3 disciplines and 25 years of strength and conditioning, he created the FitScore method that rates every treadmill on FitGearHQ with the same published rules.