Calories Burned Calculator
Energy burnt in any activity using MET values.
Enter your values
Enter the body weight in lb.
Enter the duration in minutes.
Choose one of: Walking 3 mph, Brisk walking 4 mph, Running 6 mph, Running 8 mph, Cycling 14 mph, Weight training, vigorous, Swimming, moderate, HIIT class, Yoga, power, Hiking with pack.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Calories burned
- 504 kcal
- Per minute
- 11.2 kcal
- Per hour at this intensity
- 672 kcal
- Equivalent in body fat
- 0.144 lb
Quick answer
Calories burned = MET × 3.5 × kg ÷ 200 × minutes, where MET is the metabolic cost of the activity relative to rest.
kcal = MET × 3.5 × kg ÷ 200 × minutes
At a glance
| What it does | Energy burnt in any activity using MET values. |
|---|---|
| Category | Health |
| Inputs needed | Body weight, Duration, Activity |
| Main output | Calories burned |
| Formula | kcal = MET × 3.5 × kg ÷ 200 × minutes |
| Cost | Free — no sign-up, no download |
How to use the Calories Burned Calculator
- 1Enter your body weight.
- 2Pick the activity and its intensity.
- 3Enter how long you did it for.
Inputs explained
- Body weight(lb)
- Enter the body weight in lb.
- Duration(minutes)
- Enter the duration in minutes.
- Activity
- Choose one of: Walking 3 mph, Brisk walking 4 mph, Running 6 mph, Running 8 mph, Cycling 14 mph, Weight training, vigorous, Swimming, moderate, HIIT class, Yoga, power, Hiking with pack.
Worked example
Using the values the calculator loads with:
Inputs
- Body weight170 lb
- Duration45 minutes
- ActivityRunning 6 mph
Results
- Calories burned504 kcal
- Per minute11.2 kcal
- Per hour at this intensity672 kcal
- Equivalent in body fat0.144 lb
Frequently asked questions
What is a MET?
One MET is the energy used sitting quietly. An 8 MET activity burns eight times that rate.
Why is my watch different?
Wearables add heart-rate data and personal calibration, but both methods carry error bars of 10–20%.
What do I need to enter into the Calories Burned Calculator?
Just 3 values: body weight, duration, activity. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Calories Burned Calculator work out the answer?
Calories burned = MET × 3.5 × kg ÷ 200 × minutes, where MET is the metabolic cost of the activity relative to rest. It applies the formula kcal = MET × 3.5 × kg ÷ 200 × minutes and shows the working so you can check each step by hand.
Is the Calories Burned Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.