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Recipe Scaler — Adjust Ingredients & Servings
Scale an ingredient amount when changing the number of servings in a recipe.
Open full calculator ↗Free to use. No account needed to calculate.
How to use it
- Use the calculator above and replace the example numbers with your own.
- Check the units and choices beside each input. Your result updates as you type.
- Review the breakdown, then share a copy or carry the answer into another calculator.
How the calculation works
Scale factor = desired servings ÷ original servings. New ingredient amount = original amount × scale factor.
A worked example
These are illustrative inputs, not recommendations. The result is calculated with the same engine used by the tool.
- Original servings
- 4
- Desired servings
- 10
- Original ingredient amount
- 2
- Ingredient unit
- cups
Questions about Recipe Scaler — Adjust Ingredients & Servings
What does this calculator do?
Scale an ingredient amount when changing the number of servings in a recipe.
Can I calculate without an account?
Yes. Calculate for free without signing in. Sign in only if you want to save calculations and personal plans.
What to keep in mind
Apply the factor to each ingredient. The tool preserves the unit you enter; it does not convert cups to grams or adjust cooking time, pan size or seasoning automatically.
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Guide updated November 5, 2026 · About Calcuvero & your privacy