Does it handle fractions like 1 1/2 cups?

Yes. Mixed numbers (1 1/2), simple fractions (1/4), and decimals (1.5) all parse correctly. Results are rendered back as common cooking fractions when they fall on recognizable values — so 0.75 shows as 3/4, 0.333 as 1/3, etc.

Do baking recipes scale linearly?

For ingredients, mostly yes — flour, sugar, fat, and liquid all scale proportionally. But leavening (baking powder, soda, yeast) scales sub-linearly at large ratios; eggs don't split cleanly; and bake time/temperature rarely scale. Treat scaled baking recipes as a starting point and expect to test.

What happens if I scale 1 egg by 2.5?

The tool shows 2.5 eggs. In practice, use 2 whole eggs + 1/2 of a beaten egg, or round to the nearest whole egg and adjust other liquids slightly. Non-divisible ingredients like whole eggs, garlic cloves, or chicken breasts always need a human judgment call.

Recipe Scaler (Adjust Serving Sizes)

Cooking & Kitchen· 5 tools

Free recipe scaler. Paste any ingredient list (one per line: `2 cups flour`, `1/2 tsp salt`, `250 g butter`), set the original recipe servings and your target servings, and get the exact scaled amounts. Handles fractions, decimals, mixed numbers (1 1/2), and multiple unit systems. Common cooking fractions are rendered as readable fractions (1/4, 1/3, 1/2, etc.) instead of ugly decimals.

Original servings

→

Target servings

Scaling factor: ×2

Original ingredients

Scaled ingredients

4 cups all-purpose flour
2 tsp baking powder
1 tsp salt
1 1/2 cup granulated sugar
2/3 cup butter, melted
4 large eggs
2 cup whole milk
2 tsp vanilla extract

Tip: whole ingredients like eggs, garlic cloves, or chicken breasts can't split cleanly — round to the nearest whole and adjust liquids slightly. Baking powder and yeast may need under-scaling at large ratios.

Frequently Asked Questions

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