Dr. Mark

Mifflin–St Jeor

BMR and TDEE × PAL.

When to use: Default starting point: no reliable body-fat data, quick TDEE for most adults.

Calculator

TDEE = BMR × PAL

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Estimate, not medical advice.

BMR (Mifflin–St Jeor)

Male: 10×mass + 6.25×height − 5×age + 5. Female: same − 161. Output: kcal/day at rest.

TDEE

Maintenance ≈ BMR × PAL. In BALANS: low 1.2 · moderate 1.45 · high 1.7.