Units
Sex
Optional — adds the Katch-McArdle estimate based on lean mass.
TDEE (maintenance calories)2,417
BMR1,758
TDEE if sedentary (× 1.2)2,109
TDEE if lightly active (× 1.375)2,417
TDEE if moderately active (× 1.55)2,724
TDEE if very active (× 1.725)3,032
TDEE if extra active (× 1.9)3,340
Mild weight loss (−250 kcal)2,167
Weight loss (−500 kcal)1,917
Lean gain (+250 kcal)2,667
Gain (+500 kcal)2,917
BMR — Harris-Benedict (revised 1984)1,837

Mifflin-St Jeor BMR = 10 × 81.65 kg + 6.25 × 177.8 cm − 5 × 35 + 5 = 1,758 kcal; TDEE = 1,758 × 1.375 = 2,417 kcal/day. Any equation is an estimate (commonly off by ±10% for an individual) — track your weight for 2–3 weeks and adjust. Don’t eat below about 1,500 kcal/day without medical advice.

TDEE Calculator · free calculator by CalcWorthy