Macro Calculator

Daily protein, carbs & fat from your calories

Protein
0 g
per day

Macro Calculator — guide & how to use

What it does

This macro calculator turns your daily calories into grams of protein, carbs, and fat for a chosen split (protein & carbs are 4 cal/g, fat is 9). Calculated privately in your browser, free.

How to use it

  1. Enter your daily calories (use our calorie calculator if unsure).
  2. Pick a macro split (balanced, high-protein, low-carb, keto).
  3. Read your grams of protein, carbs, and fat.

How to embed this tool on your website

No account, no coding. Copy the embed code and paste it where you want it to appear:

<iframe src="https://snaptoolsuite.com/macro-calculator/?embed=1"
  style="width:100%;max-width:560px;height:760px;border:0;"
  title="Macro Calculator" loading="lazy"></iframe>
<p>Free <a href="https://snaptoolsuite.com/macro-calculator/">Macro Calculator</a> by Snap Tool Suite</p>
2 Paste it on your page
3 It just works

See it live: view a real embed example →

Frequently asked questions

How do I calculate macros?

Split calories by %, then ÷4 for protein/carbs and ÷9 for fat. This tool does it.

What's a good split?

Balanced ~50/25/25; high-protein 40/30/30; keto ~5% carbs, high fat.

Is it really free?

Yes. 100% free, everything runs in your browser.

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🔒 Everything is calculated in your browser. We don't store or sell your data. Estimate only — not medical advice.