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Estimate your daily calories (TDEE).
Estimate your Total Daily Energy Expenditure (TDEE) — the calories you burn in a day — using the Mifflin-St Jeor equation, then see targets to lose, maintain, or gain weight. Enter your details in metric or imperial; everything is calculated in your browser.
Estimates use the Mifflin-St Jeor equation. These are general guidelines, not medical advice — consult a professional for personalized targets.
Runs entirely in your browser — nothing is uploaded.
It uses the Mifflin-St Jeor equation for BMR, then multiplies by an activity factor to estimate your TDEE (maintenance calories).
A ~500 calorie/day deficit is a common target for about 0.5 kg (1 lb) of weight loss per week. These are general estimates, not medical advice.