Spin classes deliver a high-energy, low-impact cardio workout that can burn hundreds of calories in a single session — all without pounding your joints. This Spin Calories Per 60 Minutes Calculator estimates how many calories you burn during one hour of indoor cycling using your body weight and the intensity of your ride.
The calculation relies on the MET formula (metabolic equivalent of task), the same method used by exercise physiologists to estimate energy expenditure. You can choose your preferred weight unit, pick an intensity level from warm-up to sprint intervals, or use a quick preset to match a typical studio class. Results show your total 60-minute burn, plus calories per minute and a 30-minute comparison.
Whether you are tracking a weekly fitness budget, fueling before a spin session, or simply curious about your energy output, this tool gives a practical, evidence-informed estimate you can use alongside your own effort and heart-rate data.
Estimate your energy burn during one hour of indoor cycling using your body weight and workout intensity.
Enter your weight and choose an intensity to see your estimate.
How the Calculation Works
This calculator estimates calorie burn using the metabolic equivalent of task (MET) formula, one of the most widely used methods in exercise science. MET represents the energy cost of an activity compared with your resting metabolic rate. At rest you use about 1 MET, while a vigorous indoor cycling session can push you to 10-16 METs depending on how much power you produce.
Formula: Calories per minute = MET × 3.5 × weight (kg) ÷ 200
For a 60-minute session, multiply the per-minute result by 60.
The 3.5 in the formula is the average resting oxygen consumption of 3.5 ml of oxygen per kilogram of body weight per minute. Because indoor cycling is weight-supported, energy expenditure depends mainly on your body weight, resistance, and cadence. The calculator combines these into a useful planning number you can use before or after a ride.
Step-by-Step Guide
- Enter your body weight. Toggle between kg and lb using the buttons above the weight field, then type your weight into the box. Calorie burn scales almost linearly with body weight, so this number matters.
- Select your intensity. Choose the option that best matches your ride. If you are unsure, pick “Spin class / general,” which reflects a typical coached class with a mix of flats, hills, and short sprints.
- Use a preset for speed. The Steady ride, Typical class, and Hill intervals pills fill in common effort levels so you can run several comparisons quickly.
- Press Calculate. The result card shows total calories for 60 minutes, calories per minute, a 30-minute estimate, and the MET level you used.
- Reset when needed. The Reset button clears the weight and returns the calculator to the default class intensity.
Worked Examples
Example 1 — 70 kg rider in a typical spin class (MET 8.5): Per minute: 8.5 × 3.5 × 70 ÷ 200 = 10.4 kcal. 60-minute total: about 625 kcal.
Example 2 — 84 kg rider on a moderate steady ride (MET 7.5): Per minute: 7.5 × 3.5 × 84 ÷ 200 = 11.0 kcal. 60-minute total: about 662 kcal.
Example 3 — 59 kg rider doing a high-intensity race-pace session (MET 13): Per minute: 13 × 3.5 × 59 ÷ 200 = 13.4 kcal. 60-minute total: about 805 kcal.
These examples show how body weight and effort level both shift the final number. A small rider working very hard can out-burn a heavier rider cruising at a moderate pace.
Reference MET Values for Indoor Cycling
The following table lists approximate MET values commonly used for stationary cycling and spin-style classes. Power outputs are rough guidelines; studio bikes often display watts that vary with flywheel weight and calibration.
| Intensity | Approx. power output | MET |
|---|---|---|
| Recovery / very light | <50 W | 3.0 |
| Light / easy | 50–100 W | 5.5 |
| Moderate / steady | 100–150 W | 7.5 |
| Typical spin class | varies | 8.5 |
| Vigorous / hills and sprints | 151–200 W | 10.0 |
| High intensity / race pace | 201–270 W | 13.0 |
| Extreme / max sprints | >270 W | 16.0 |
If you wear a heart-rate monitor, you can adjust your effort level based on your perceived exertion. For most people, a typical spin class sits somewhere between the Moderate and Vigorous rows, making the 8.5 MET default a reasonable middle ground.
Factors Affecting Accuracy
- Body weight and composition. Muscle tissue burns more energy than fat tissue at the same weight, so two riders of equal weight can have different true calorie burns.
- Heart-rate response. A higher average heart rate generally means higher energy expenditure, but the MET formula does not know your heart rate.
- Resistance and cadence. Slow heavy-resistance pedaling and fast light-resistance pedaling can feel different but may produce similar MET values if total power is similar.
- Machine calibration. Some exercise bikes overestimate displayed calories and watts. This calculator is independent of the bike's console and is usually more conservative.
- Intervals and rest. If your class has frequent water breaks, your average effort over the hour is lower, and your total burn will be closer to the Moderate or Light end of the scale.
Tip: For better tracking, log your perceived exertion and average heart rate alongside the calorie estimate. Consistency matters more than precision when you compare workouts week to week.
Frequently Asked Questions
How many calories do you burn in a 60-minute spin class?
A 70 kg (154 lb) person usually burns roughly 500-750 kcal during a 60-minute indoor cycling session, depending on the class profile. At the calculator's default 8.5 MET, a 70 kg rider burns about 625 kcal. High-intensity race-pace classes can push the number higher, while a light warm-up ride will be much lower.
Why does the calorie display on my spin bike look different?
Most console estimates are based on generic formulas and often include machine-specific assumptions about resistance. They frequently overestimate by 20-30 percent. This calculator uses a standardized MET method instead, giving you a consistent estimate across different bikes and studios.
Can I use this calculator for outdoor cycling?
The numbers here are designed for stationary cycling and studio classes. Outdoor cycling has different MET values because terrain, wind resistance, and rolling resistance all affect effort. If you ride on the road or trails, try the outdoor cycling calories per km calculator for a distance-based estimate. For a gentler alternative, the walking calories per 10 minutes calculator can help you compare low-impact options.