Question 1

What does a BMR calculator do?

Accepted Answer

A basal metabolic rate (BMR) calculator estimates how many calories your body burns at complete rest to keep basic functions running — heart, brain, breathing, temperature.

Question 2

How is BMR different from TDEE?

Accepted Answer

BMR is calories burned at rest. TDEE (total daily energy expenditure) is BMR plus everything you do — walking, training, digestion, NEAT. SmartyGym shows both.

Question 3

Which BMR formula is most accurate?

Accepted Answer

SmartyGym uses the Mifflin–St Jeor equation, the most accurate BMR formula for the general adult population according to peer-reviewed nutrition research.

Question 4

Is the BMR calculator free?

Accepted Answer

Yes. The BMR calculator is free, no signup, and works on any device at smartygym.com/tools/bmr-calculator.