Free Fitness Calculators

Know your numbers.

Science-based macro, calorie, TDEE, and BMI calculators. Enter your details once and get targets you can actually use — no sign-up.

Built on proven formulas

Every calculator here uses the Mifflin-St Jeor equation for metabolic rate — the formula registered dietitians consider the most accurate for the general population — combined with standard activity multipliers and evidence-based macronutrient splits. The result is a reliable starting point you can fine-tune from your own progress.

DailyMacroCalc provides general fitness estimates for informational purposes only and is not medical or nutritional advice. Consult a qualified professional before making significant changes to your diet or exercise routine.