Partial Package Yield Calculator
Recipe expects a full package of ingredient X but you only have a partial — find what fraction of the recipe to make.
Result
Adjusted servings
6.0 servings
Use 75% of every other ingredient.
- Ratio12.00 / 16.00 = 0.750
- Multiplier× 0.750
- Original servings8
- New servings6.00
Step-by-step
- Ratio = have / full = 12.00 / 16.00 = 0.750.
- Multiply every ingredient by 0.750 (= 75% of original).
- Servings: 8 × 0.750 = 6.00.
How to use this calculator
- Enter the package size the recipe expects and what you actually have.
- Apply the resulting multiplier to every other ingredient.
About this calculator
A common problem: a recipe calls for 16 oz of pasta but you have 12 oz left in the box. Solution: scale the entire recipe by the ratio of what-you-have to what-it-needs. 12/16 = 0.75, so you use 75% of every other ingredient too. Servings drop proportionally.
Frequently asked
Sometimes you don't want to — the rest of the package is already used or not available. Scaling lets you make the recipe with what you have.
Related calculators
Recipe Scaler
Scale a recipe up or down — multiply every ingredient by the ratio of target servings to original servings.
Recipe Serving Converter
Convert a recipe between any two serving sizes with examples for common ingredients.
Leftover Yield Calculator
Recipe yielded N servings; you have S left. Compute the leftover percentage and meals remaining.
Half Recipe Calculator
Halve a recipe — apply 0.5× to every ingredient, with notes for items that don't halve cleanly.
Quarter Recipe Calculator
Quarter a recipe — divide everything by 4, with notes for fractional eggs and small-batch limits.
Ingredient Substitution Quantity
When swapping an ingredient for another, how much of the substitute do you use? Common ratios for sweeteners, fats, flours.