Science-backed calculators for calories, macros and strength — then turn the numbers into a plan that actually adapts to you.
How many calories you burn per day — the number to eat below to lose fat or above to gain.
Open →Your daily protein, carbs and fat targets — set to your goal and bodyweight.
Open →The calories your body burns at rest — the base of your daily needs.
Open →Estimate your max lift from a set you've done — and get your training percentages.
Open →Your complete daily needs — calories, macros and every essential vitamin & mineral.
Open →Your body mass index and weight category in seconds.
Open →Estimate your body-fat % from a tape measure — no scales needed.
Open →Fat-free mass index — how much muscle you carry, and the natural ceiling.
Open →How much protein you need per day for your goal.
Open →