Calculators for training, nutrition and body composition
Quick answers with transparent formulas. Your inputs stay in your browser.
Energy and macros
TDEE calculator
Basal metabolic rate and total daily energy expenditure using Mifflin-St Jeor.
Macro calculator
Protein, fat and carbs from your calorie target.
Protein calculator
Daily protein intake for building muscle and cutting.
Bulk and cut calorie target
Surplus or deficit from your target rate per week.
Body composition
Body fat calculator
Estimate with the US Navy tape measure method.
FFMI calculator
Fat-free mass relative to height, after Kouri 1995.
BMI calculator
Body mass index, its categories and its limits for muscular people.
Ideal weight calculator
An estimated range from common formulas, clearly labelled as an estimate.