Free tools

Quick calculators for your training and your nutrition. Free, no sign-up, and nothing you type leaves your device.

Quick answer

Start with the calorie calculator for your daily target and macros, then the protein calculator. At the gym, the 1RM calculator gives your training weights. To follow your health, use the waist-to-height ratio.

Exercises & foods

Hit your numbers every day

Kaizo turns these targets into a food diary: scan a barcode, search a food or just describe your meal, and the AI logs it.

Kai, the Kaizo coach