Health, Diet & Fitness

Metabolic and physical training calculation benchmarks.

Basal Metabolic Rate (BMR) Calculator

Use our free online Basal Metabolic Rate (BMR) Calculator to calculate Mifflin-St Jeor Equation with instant precision, worked steps, and formulas.

Body Mass Index (BMI) Calculator

Use our free online Body Mass Index (BMI) Calculator to calculate BMI = weight(kg) / (height(m))^2 with instant precision, worked steps, and formulas.

Daily Caloric Expenditure (TDEE) Calculator

Use our free online Daily Caloric Expenditure (TDEE) Calculator to calculate TDEE = BMR * ActivityMultiplier with instant precision, worked steps, and formulas.

Daily Hydration Water Calculator

Use our free online Daily Hydration Water Calculator to calculate Water = (Weight * 0.033) + ExerciseBonus with instant precision, worked steps, and formulas.

Ideal Body Weight (IBW) Calculator

Use our free online Ideal Body Weight (IBW) Calculator to calculate Devine Clinical Formula with instant precision, worked steps, and formulas.

Macronutrient Ratio Calculator

Use our free online Macronutrient Ratio Calculator to calculate Protein, Carb & Fat Daily Gram Distribution with instant precision, worked steps, and formulas.

One Rep Max (1RM) Strength Calculator

Use our free online One Rep Max (1RM) Strength Calculator to calculate 1RM = Weight * (1 + Reps / 30) with instant precision, worked steps, and formulas.

Running & Marathon Pace Calculator

Use our free online Running & Marathon Pace Calculator to calculate Pace = Total Time / Distance with instant precision, worked steps, and formulas.

Target Heart Rate Zone Calculator

Use our free online Target Heart Rate Zone Calculator to calculate Karvonen HR Zone Equation with instant precision, worked steps, and formulas.

US Navy Body Fat Calculator

Use our free online US Navy Body Fat Calculator to calculate US Navy Circumference Formula with instant precision, worked steps, and formulas.