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Recipe Scaling Calculator

Your recipe and scale

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Scale recipe by

Original servings

Target servings

Multiplication factor

Fractions or decimals; from 1/1000 to 1000.

Ingredients — one per line

Use a quantity, a space and the ingredient: 1 1/2 cups flour or 200 g flour. Notes such as Salt to taste are kept, not scaled. Up to 20 lines and 3,000 characters; no bullets or ranges.

Display amounts as

Decimal places

Your result

Based on the values you enter

Scaled ingredients Enter values to calculate.

Your result explanation will appear here.

Quantity arithmetic only. Original units are retained: no US/UK unit conversion, cooking-time, temperature, pan-size or nutrition adjustment. JavaScript and BigInt support are required.