Recipe Scaling Calculator

Scale any recipe up or down with precision. Adjust serving sizes, compare scaling factors, and plan weekly meals with an automated shopping list.

🍲 Recipe Settings

Scale Factor 2.00x

Ingredients

Quick Presets:

⚖ Scaled Recipe

8
Target Servings
IngredientOriginalScaledUnit

📈 Scaling Comparison

Compare ingredient quantities at different serving sizes side by side.

IngredientOriginal2x3x4x5x

📅 Weekly Meal Planner

Add recipes for the week and get a combined shopping list with aggregated ingredients.

How Recipe Scaling Works

1

Enter Original Recipe

Input the original serving count and each ingredient with its quantity and unit of measurement.

2

Set Target Servings

Enter how many servings you need. The calculator computes the scale factor automatically.

3

Get Scaled Amounts

Every ingredient is multiplied by the scale factor, with smart rounding for eggs, pinches, and other discrete items.

Key Formulas

Scale Factor Target Servings / Original Servings
Scaled Quantity Original Qty x Scale Factor
Reverse Scale Desired Qty / Scale Factor = Original Qty

Glossary

Scale Factor
The multiplier applied to every ingredient quantity when changing serving sizes.
Mise en Place
French culinary term meaning "everything in its place" — measuring and prepping all ingredients before cooking.
Baker's Percentage
A notation system where each ingredient is expressed as a percentage of the flour weight, enabling easy scaling.
Yield
The total output of a recipe, typically measured in servings, pieces, or weight.

Examples

Doubling a Cookie Recipe

Original: 24 cookies with 2 cups flour, 1 cup sugar, 2 eggs. Doubled: 4 cups flour, 2 cups sugar, 4 eggs for 48 cookies.

Halving a Soup Recipe

Original: 8 servings with 4 cups broth. Halved: 2 cups broth for 4 servings. Scale factor = 0.5x.

Scaling for a Party

Recipe serves 6, need 25 servings. Scale factor = 25/6 = 4.17x. Multiply every ingredient by 4.17.

Frequently Asked Questions

How do you scale a recipe to a different number of servings?

Multiply each ingredient quantity by the ratio of target servings to original servings. For example, if a recipe serves 4 and you want 6 servings, multiply each ingredient by 6/4 = 1.5.

Do all ingredients scale linearly?

Most ingredients scale linearly, but some need adjustment. Spices may not need to increase as much when scaling up. Eggs should be rounded to whole numbers. Leavening agents may need slight reduction at large scales.

How do you handle eggs when scaling?

Eggs are scaled linearly then rounded to the nearest whole number. If scaling gives you 2.5 eggs, round to 3 and adjust liquid slightly if needed.

What is the best way to scale baking recipes?

Use weight measurements (grams) instead of volume for accuracy, scale all ingredients by the same factor, and be cautious with leavening agents — they may need slight reduction beyond 2x.

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