Macro Calculator — Protein, Carbs & Fat Split
Calculate daily calorie and macronutrient targets
How to Use Macro Calculator
Calculate daily calorie and macronutrient targets No signup, and nothing gets uploaded for most use.
- 1
Enter your numbers in the input fields.
- 2
Choose the calculation options or frequency.
- 3
The result updates instantly as you type.
- 4
Review the breakdown, chart, or schedule, and copy the answer.
Why you might like it
- Nothing to upload — the work happens on your device.
- Free with no signup, no watermarks, and no daily limits.
- Works in any modern browser on any device — nothing to install.
- Usually done in a few seconds, so it doesn't get in your way.
Frequently Asked Questions
What are macronutrients?▾
Macronutrients are the three energy-providing nutrients: protein and carbs (4 kcal per gram) and fat (9 kcal per gram). Tracking them helps you hit calorie targets while preserving muscle and health.
Do I need to count macros to lose weight?▾
Calories matter most for weight change, but balancing macros helps keep you full, maintain muscle and stay healthy during a cut. A protein-focused split is especially useful for weight loss.
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