Calories Burned Calculator

Use this free calories burned calculator to estimate exercise energy from activity intensity, body weight, and time.

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Illustration for Calories Burned Calculator showing estimate exercise calories from MET, body weight, and duration.
Calories Burned Calculator artwork matches the live tool workflow: estimate exercise calories from MET, body weight, and duration. Use it with the calculator, examples, and result notes. View in the smoke-kawaii gallery
Estimate, not diagnosis Formula notes Example inputs Tab-only history
Calories burned estimate209 kcal

3.8 MET for 45 min

Calories per hour
279 kcal
MET
3.8
Weight
70 kg

Formula steps

  1. Use the MET value as an activity-intensity estimate.
  2. Calories per minute = MET x 3.5 x body weight in kg / 200.
  3. Multiply by the session duration in minutes.

How to use the Calories Burned Calculator

  1. Enter the requested measurements, dates, lab values, or workout details.
  2. Check that the units and formula assumptions match what the tool is asking for.
  3. Press the calculate button to see the answer, supporting metrics, and formula steps.
  4. Read the estimate with the health disclaimer in mind, then copy the result if you need it for notes.

What people use it for

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.

Quick examples

Brisk walk

3.8 MET, 70 kg, 45 min

About 210 kcal

Running

9.8 MET, 80 kg, 30 min

About 412 kcal

Strength

5 MET, 72 kg, 50 min

About 315 kcal

Need the guide or a nearby tool?

Need a slower walkthrough, a related calculator, or the full library? These links keep you close to the task you started.

Frequently asked questions

Plain-language answers about when to use the estimate, what the formula means, what it cannot decide for you, and how privacy works.

When should I use the Calories Burned Calculator?

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.

What do the main Calories Burned Calculator inputs mean?

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.

What is the Calories Burned Calculator doing with my inputs?

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.

How should I read the Calories Burned Calculator result?

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.

Can I use this as medical advice?

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.

What should I double-check before trusting the result?

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.

Does the site save my health inputs?

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.

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