Recipe Scaler
Scale ingredient quantities up or down by servings.
Enter values
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Step by step
The formula
scaled = amount × (desired / original)
Scaling works by finding the amount per serving and multiplying back up. Ingredients scale linearly, but cooking does not: pan size, heat and timing rarely change in proportion, and leavening or seasoning often needs a lighter touch than the arithmetic suggests.
All calculations run locally in your browser and update instantly as you type.
Example calculations
Common questions this calculator answers — select one to load its values.
Related calculators
Frequently asked questions
Does this work for cooking times?+
No — scale only ingredient quantities. Cooking times and temperatures usually stay the same or change only slightly.
All calculations run locally in your browser. Nothing you type is sent to a server.