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Calculators / Cooking / Recipe scaler
Recipe scaler calculator
Scale every ingredient when changing a recipe yield.
On this page
Scaled ingredient amount375same unit
Scale factor1.5×
Calculator controls
How to calculate
Scale every ingredient when changing a recipe yield.
scaled amount = original amount × target servings ÷ original servings
Worked example
Original ingredient amount: 250; Original servings: 4; Target servings: 6.
Scaled ingredient amount: 375 same unit; Scale factor: 1.5 ×.
Assumptions and limits
Ingredient density, pan size, cooking time, seasoning, and leavening may not scale in a perfectly linear way.
Results are rounded for display; calculations use unrounded values. Read our calculation methodology.
Understanding the result
Scale every ingredient when changing a recipe yield. The result follows the displayed formula and keeps every adjustable assumption visible.
When this tool is useful
Use this tool to plan quantities or compare scenarios before making a purchase or technical decision.
Understanding your inputs
| Input | What to enter |
|---|---|
| Original ingredient amount | Enter a number of at least 0 and no more than 1000000000000. |
| Original servings | Enter a number of at least 0.000001 and no more than 1000000000000. |
| Target servings | Enter a number of at least 0.000001 and no more than 1000000000000. |
Frequently asked questions
What can change the recipe scaler result?
Ingredient density, pan size, cooking time, seasoning, and leavening may not scale in a perfectly linear way.
Should I round the inputs first?
No. Enter the best measurements available and round only the practical final quantity, such as full packs, boards, sheets, or components.