Serving Calculator

Scale recipes, calculate portions, and adjust ingredient quantities for any number of servings.

Recipe servings

Enter the original number of servings and how many servings you need.

servings
servings

Ingredient amount

Enter one ingredient amount to calculate how much you need for the new serving size.

Serving results

Your recipe adjusted for the new serving size.

Scaling factor
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Multiply each ingredient by this number
Original servings
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Desired servings
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Original ingredient
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Adjusted ingredient
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Calculation breakdown

Original servings —
Desired servings —
Scaling formula —
Scaling factor —
New ingredient amount —
Tip: When scaling recipes, some ingredients may need manual adjustment. Salt, spices, baking powder, yeast, and cooking time do not always scale perfectly with the number of servings.

Recipe servings

Set the original recipe size and the number of servings you want to prepare.

Portion planning

Optionally enter the portion size to estimate the total amount of prepared food needed.

Optional

Preparation allowance

Add extra food to account for waste, trimming, cooking loss, or unexpected guests.

%

Recipe ingredients

Add your recipe ingredients and the calculator will automatically scale each one.

Recipe plan

Your ingredients adjusted for the new recipe size.

Final recipe servings
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Scaling factor
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Extra allowance
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Base servings
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Total prepared food
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Adjusted ingredients

Calculation breakdown

Original recipe —
Target servings —
Recipe scaling factor —
Preparation allowance —
Final multiplier —
Cooking note: Scaling ingredient quantities is a useful starting point, but cooking time, seasoning, heat, pan size, and baking ingredients may need additional adjustments when making significantly larger or smaller recipes.