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Frequently Asked Questions
Our calculators use scientifically validated formulas like Mifflin-St Jeor for BMR and Harris-Benedict for TDEE. While individual results may vary, they provide excellent estimates for most people.
BMR is the number of calories your body burns at rest to maintain basic functions like breathing, heart rate, and cell repair.
It can be estimated using formulas like the Mifflin-St Jeor equation, which uses your age, gender, height, and weight.
It helps you figure out how many calories you need to maintain, lose, or gain weight when combined with your activity level.
Yes, it changes with age, muscle mass, and weight. More muscle = higher BMR.