Calorie Deficit Calculator Widget

Calorie Deficit Calculator

Sex

Age

Weight (kg)

Height (cm)

Activity level

Daily deficit (kcal)

Target daily intake

—

Maintenance (TDEE)—

Est. weekly loss—

Mifflin–St Jeor BMR × activity = TDEE; target = TDEE − deficit. 7,700 kcal ≈ 1 kg of fat. Don't go below 1,200 (F) / 1,500 (M) kcal without medical advice.

Last reviewed: 2026-11-03