Free cycling calorie calculator. Calculate calories burned biking using power, speed, or intensity level. Supports indoor trainers and outdoor cycling with accurate MET-based calculations.
Or enter duration if distance is unknown:
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Accurately estimate calories burned during your bike ride using power data, speed, or intensity level. Whether you're training indoors on a smart trainer or riding outdoors, this calculator provides reliable calorie estimates based on established metabolic research.
Cycling calorie burn depends on effort intensity, duration, and body weight. Power meters provide the most accurate measurement since they directly measure work output. Without power data, MET (Metabolic Equivalent of Task) values based on speed or perceived intensity give reliable estimates.
Calorie Calculation
Calories = MET × Weight (kg) × Time (hours)Know how many calories you're burning to properly fuel before, during, and after rides.
Track exercise energy expenditure as part of your fitness or weight loss program.
Compare energy output across different workouts and track fitness progress.
Plan post-ride nutrition to optimize recovery and glycogen replenishment.
12 mph average, 1 hour: ~400-500 kcal for 70kg rider. Light effort suitable for active recovery.
15 mph average, 90 minutes: ~900-1000 kcal. Typical endurance training intensity.
200W average, 1 hour: ~750-800 kcal. Structured training with intervals.
5-6 hours at 17-20 mph: ~3000-4000 kcal. Requires significant fueling strategy.
Power meters measure actual mechanical work output in kilojoules. Due to ~20-25% cycling efficiency, kJ roughly equals kcal. Speed-based estimates vary with wind, terrain, and bike factors.