CalculatorHealth

Macro Calculator

Estimate daily protein, fat and carbohydrate targets from calories and configurable macro assumptions.

Instant · no account

Input

Enter your values

Daily calorie targetkcal

Body weightkg

Protein targetg/kg

Calories from fat%

Method

How it works

Change any input above and the result updates instantly. The formula or method used by this tool is shown below.

Protein calories = grams × 4; Fat calories = grams × 9; Carbohydrate calories = remaining calories ÷ 4

Note

Health results are general informational estimates and are not a diagnosis or medical advice.

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Quick answers

About this tool

What does the Macro Calculator do?+

Estimate daily protein, fat and carbohydrate targets from calories and configurable macro assumptions.

How does this calculator calculate the result?+

It uses this method: Protein calories = grams × 4; Fat calories = grams × 9; Carbohydrate calories = remaining calories ÷ 4

Are my inputs saved or sent to an account?+

Core CalcForge tools require no account, and most calculations run locally in your browser. Favorites and recent-tool history, when used, stay in this browser.