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
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?unitSystem=Weight unitsChoice · Required · Default: imperial · Accepted values: metric, imperial
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?weightKg=WeightNumber · Required · Default: 73 · Used when unitSystem = metric
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?weightLb=WeightNumber · Required · Default: 160 · Used when unitSystem = imperial
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?activity=ActivityChoice · Required · Default: running6 · Accepted values: sleeping, desk, walking3, walking4, hiking, weights, cycling, running5, running6, running8, swimming, rowing, yoga, hiit, custom
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?customMet=Custom MET valueNumber · Required · Default: 5 · Used when activity = custom
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?durationMinutes=DurationNumber · Required · Default: 30
Outputs
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caloriesEstimated calories burnedNumber · Primary output · Suffix: kcal
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caloriesPerHourEstimated hourly rateNumber · Suffix: kcal/hour
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metMET valueNumber
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activityLabelActivityText
Estimate only
Actual expenditure varies with intensity, terrain, temperature, fitness, biomechanics, and measurement method.