Health & FitnessFormula-based · Runs in your browser

Calories Burned Calculator

Estimate activity calories from body weight, duration, and metabolic equivalent (MET), with a time-projection table.

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Inputs

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Required
Required
lb
Required
Required
minutes

Result

Updates as valid inputs change.

Calculated locally
MET calculations are population estimates; fitness, technique, environment, and device measurements can differ.
Estimated calories burned
Estimated hourly rate
MET value
Activity

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Calculation steps

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  1. 1

    Formula selected

    The calculator uses the following formula or method.

    Calories ≈ MET × body weight (kg) × duration (hours).

  2. 2

    Values entered

    Your values are placed into the calculation.

    Enter values to see what is used in this step.

  3. 3

    Result calculated

    The formula or method produces the following result values.

    Results will appear after a successful calculation.

  4. 4

    Answer formatted

    Displayed values are rounded and formatted using each output’s configured precision.

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How it works

A metabolic equivalent (MET) expresses an activity’s energy cost relative to rest. The calculator multiplies MET by body weight in kilograms and time in hours.

Input query strings and outputs

Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.

Input query strings

6
  • ?unitSystem= Weight units

    Choice · Required · Default: imperial · Accepted values: metric, imperial

  • ?weightKg= Weight

    Number · Required · Default: 73 · Used when unitSystem = metric

  • ?weightLb= Weight

    Number · Required · Default: 160 · Used when unitSystem = imperial

  • ?activity= Activity

    Choice · Required · Default: running6 · Accepted values: sleeping, desk, walking3, walking4, hiking, weights, cycling, running5, running6, running8, swimming, rowing, yoga, hiit, custom

  • ?customMet= Custom MET value

    Number · Required · Default: 5 · Used when activity = custom

  • ?durationMinutes= Duration

    Number · Required · Default: 30

Outputs

4
  • calories Estimated calories burned

    Number · Primary output · Suffix: kcal

  • caloriesPerHour Estimated hourly rate

    Number · Suffix: kcal/hour

  • met MET value

    Number

  • activityLabel Activity

    Text

Estimate only

Actual expenditure varies with intensity, terrain, temperature, fitness, biomechanics, and measurement method.

Sources
Limitations
  • MET calculations are population estimates; fitness, technique, environment, and device measurements can differ.
  • Health results are educational estimates, not a diagnosis or treatment recommendation. Individual circumstances may require a qualified clinician's assessment.