Affects how your body burns calories at rest. We use this for the BMR calculation only.
Metabolism drops about 1-2% per decade after 25. The calculation accounts for that.
Height affects your lean mass and resting energy expenditure.
Today's number — be honest. The calculation is only as good as the data going in.
Be realistic. Most people overestimate this — pick the option that genuinely matches your weekly average.
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This is the total energy your body burns in a typical day at your current activity level. Eat this many calories and your weight stays the same.
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Calculations use the Mifflin-St Jeor equation — the gold standard for estimating resting metabolic rate. Macros assume protein-priority targeting of 2.0g/kg. These figures are estimates — individual response varies based on body composition, hormones, sleep, and training history. Always consult a qualified professional before significant dietary changes.
