Tool4SaaS

Macro Calculator

Split calories into protein, carbs and fat grams. Choose preset or custom ratios to get macro grams and calories pe. 100% private and offline.

Enter your TDEE from the Calorie Calculator or your target calories

Daily macros
Protein 30%

—

4 kcal/g
Carbs 40%

—

4 kcal/g
Fat 30%

—

9 kcal/g

Protein

—

Carbohydrates

—

Fat

—

Total

— • 100%

Formulas: protein = cal × protein% ÷ 4 • carbs = cal × carb% ÷ 4 • fat = cal × fat% ÷ 9

More Health & Fitness

Calorie CalculatorWater Intake CalculatorIdeal Weight CalculatorPregnancy CalculatorOvulation CalculatorSleep Calculator

About the author

Written and maintained by the Tool4SaaS team. Every tool runs locally in your browser and is tested in-house for accuracy. Last updated: .

Frequently asked questions

Protein grams = cal×protein%/4, carbs = cal×carb%/4, fat = cal×fat%/9.

No, for informational purposes only. Consult a healthcare professional for personal guidance.

Yes, macro split math runs locally in your browser and stays private.

How to use Macro Calculator

  1. Enter calories: Enter daily calorie target.
  2. Set ratios: Choose preset or custom protein/carb/fat %.
  3. View: See grams and calories per macro.