Thrive MD Wellness
YOUR WELLNESS, IN NUMBERS

BMR calculator

Understand the energy your body uses at rest.

01

Your details

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02 / YOUR ESTIMATES

Resting energy

—kcal / day

Estimated energy used by your body at rest.

Daily energy (TDEE)— kcal
Activity multiplier1.55×

Educational estimates, not a prescribed calorie or nutrition target.

Estimates with context.

Based on the Mifflin–St Jeor equation for adult resting energy. TDEE uses approximate activity multipliers. General adult protein reference: 0.8 g/kg; active-adult ranges are optional, not universal targets.

For adults 18 and older. Pregnancy, breastfeeding, kidney disease, and other health conditions can change your needs. Review estimates with a clinician or registered dietitian.

Mifflin–St Jeor study Protein guidance