Health & Fitness Guides
Body composition and nutrition numbers, explained with the published equations behind them.
2 guides
Health & fitness
How to Calculate Body Fat Percentage (Navy Method and Other Ways)
How to calculate body fat percentage with the U.S. Navy tape method, step by step with a worked example, plus how DEXA, skinfolds and BIA compare.
Updated Oct 24, 2026 · 6 min readHealth & fitnessHow to Calculate Macros (Step-by-Step With a Worked Example)
How to calculate macros: estimate BMR with Mifflin-St Jeor, multiply by activity for TDEE, set a calorie target, then split it into grams at 4, 4 and 9 kcal.
Updated Oct 24, 2026 · 5 min read