Recipe Scaler

Scale a recipe up or down and get the multiplier.

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How it works

Fill in the 3 fields above and Recipe Scaler calculates the result instantly, recalculating as you change any value. The math runs locally in your browser — nothing is sent to a server.

Examples

Original servings 4, Desired servings 6, Ingredient amount 200 → Scale factor: 1.5×

Frequently asked questions

How do I use the Recipe Scaler?

Enter your values in the 3 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.

Is my data private?

Yes. The Recipe Scaler runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.

Is the Recipe Scaler free?

Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on calculators and the rest of the platform, you can use it as often as you like.