Free tools

Simple calculators, no account and no ads. They run entirely in your browser — nothing you type is sent anywhere.

• Macro split calculatorSplit a daily calorie target into grams of protein, carbohydrate and fat.
• Steps to calories calculatorHow many calories and kilometres a day's step count actually represents.
• Fasting window calculatorWhen the fast starts and ends for 16:8, 18:6 or any other pattern you pick.