Free nutrition tools
Work out the numbers before you start tracking them: what to eat, how to split it, how long a goal takes and when your window opens. Everything runs in this page — no account, and nothing you type is sent anywhere.
Calorie CalculatorYour maintenance calories, your deficit, and the macros that go with them.Macro CalculatorSplit a calorie target into protein, carbs and fat — per day and per meal.Goal Date CalculatorHow long a weight goal takes at a steady rate, and the date the arithmetic lands on.Fasting Window CalculatorYour eating and fasting windows for 16:8 and the other common schedules.
The number is the easy part
Food Cal AI logs a meal from a photo, keeps the running total against your target, and remembers what you ate yesterday.
