3.8 MET for 45 min
- Calories per hour
- 279 kcal
- MET
- 3.8
- Weight
- 70 kg
Use this free calories burned calculator to estimate exercise energy from activity intensity, body weight, and time.
3.8 MET for 45 min
Estimate calories burned during common activities.
Compare walking, running, cycling, swimming, and strength sessions.
See calories per hour from a workout estimate.
Use activity estimates without treating them as exact energy balance.
About 210 kcal
About 412 kcal
About 315 kcal
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Plain-language answers about when to use the estimate, what the formula means, what it cannot decide for you, and how privacy works.
Use it for simple educational checks, trend tracking, or planning tasks like these: Estimate calories burned during common activities. Compare walking, running, cycling, swimming, and strength sessions. It can help you understand a number, but it cannot explain your whole health situation.
Enter the body, activity, date, or lab values exactly in the units shown on the page. Height, weight, age, sex, time, and activity level can change health estimates a lot, so treat each label like a rule instead of a suggestion. If you are unsure which option fits, choose the closest honest match and read the result as a rough estimate.
In plain language: Calories per minute are estimated as MET x 3.5 x weight in kg / 200, then multiplied by duration. Read the result together with the notes on the page, because health and fitness numbers often need personal context.
Use the result as a learning number, not a final answer about your body or health. The supporting lines can show categories, ranges, calories, dates, or targets, but those numbers still need context like age, medical history, pregnancy status, training level, and advice from a qualified professional.
No. This page provides an educational estimate only. Talk with a qualified health professional before making medical, pregnancy, nutrition, medication, or safety decisions. Use the calculator as a learning tool, then ask a qualified professional about decisions that affect care, pregnancy, medication, nutrition, or safety.
Check the units, date, and personal details before reading the answer. For example, pounds and kilograms, inches and centimeters, or a wrong activity level can change the result quickly. If the number feels surprising, rerun it slowly and compare it with the examples.
No. The calculator runs in your browser tab. Recent answers stay only on the page while you use it, and they are not sent to a server.