Stationary Bike Calories Calculator
Accurate calorie estimates for your indoor cycling sessions
Stationary bike displays often overestimate calorie burn by 15–40%. This calculator uses MET values from exercise science research to give you a more accurate estimate based on your body weight and exercise intensity. Whether you ride an upright bike, recumbent bike, or spin bike at the gym or at home, get a realistic calorie count for every session.
Stationary Bike Calorie Accuracy
Indoor cycling removes wind resistance and terrain from the equation. All your energy goes into pedalling against the bike's resistance mechanism. The calorie displays built into most stationary bikes use generic formulas that don't account for your actual body weight, fitness level, or heart rate — which is why they tend to overestimate.
A more reliable approach is using MET values. Moderate stationary cycling sits at about 6.8–8.0 METs. Vigorous spinning classes reach 10.0–11.0 METs. Multiplied by your weight in kg and duration in hours, this gives you a scientifically grounded calorie estimate.
How to Calculate Stationary Bike Calories
Three steps for accurate indoor cycling estimates
Enter Your Weight
Input your body weight. The bike display doesn't know your actual weight — this calculator uses it to give you a personalised result.
Set Duration and Intensity
Enter your session length and select a speed bracket that matches your effort level. Low resistance = leisurely pace. High resistance = vigorous effort.
Get Accurate Results
See your MET-based calorie estimate alongside the typical gym bike display reading. The difference may surprise you.
Getting More from Indoor Cycling
To maximise calorie burn on a stationary bike, use interval training. Alternate between 30 seconds of high resistance and 60 seconds of moderate resistance. This keeps your heart rate elevated and can boost your total calorie burn by 20–30% compared to steady-state cycling.
If your gym bike has a power meter (watts), you can convert watts to calories directly. The formula is roughly 1 watt-hour = 0.86 kcal. A 45-minute session averaging 120 watts burns about 77 watt-hours or roughly 396 kcal — likely less than the bike display shows.
Stationary Bike Calories — FAQ
Common questions about indoor cycling calorie burn
For a 70 kg rider at moderate intensity, about 240–280 kcal. At high intensity (spinning class pace), closer to 350 kcal. The gym bike display may show 15–40% more than your actual burn.
Usually not. Most built-in displays overestimate by 15–40% because they use generic formulas. Bikes with power meters are more accurate. For the best estimate, use a MET-based calculator like this one with your actual weight.
Slightly. Recumbent bikes support your back, so your core muscles do less stabilisation work. At the same resistance level, a recumbent bike burns roughly 5–10% fewer calories than an upright bike.
For calorie burn, outdoor cycling typically burns 5–10% more at the same perceived effort because of wind resistance and terrain. But stationary bikes allow precise intensity control and are weather-independent, making them excellent for consistent training.
Aim for 30–60 minutes at moderate to vigorous intensity, 3–5 times per week. This can burn 1,500–3,000 kcal per week — enough for meaningful weight loss when combined with a balanced diet.