Everyday Math
Basic

Recipe Scaling

Adjust ingredient quantities for a different number of servings.

Formula

Qnew=Qold×SnewSoldQ_{new} = Q_{old} \times \frac{S_{new}}{S_{old}}

Variables

QQuantity
SServings

Example

Double a 4-serving recipe to 8: ×2

Did You Know?

Baking is chemistry, so scale ingredients precisely.