Recipe Scaling

Scaled rows preserving units; converts to grams via USDA reference weights when scaling produces awkward numbers.

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Formula and source

Linear scaling of every ingredient by factor = target_yield / original_yield. Conversion to grams via USDA FoodData Central reference weights when scaling produces fractional eggs or unusual cup amounts (flour ~ 120 g/cup, sugar ~ 200 g/cup, butter ~ 227 g/cup, etc.).

USDA FoodData Central, accessed at build time.

Audience

This tile is built for kitchen and the adjacent professions in the Kitchen and Food Service group. The interactive calculator runs entirely in your browser. No account, no fee, no advertising, no tracking.

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Posture

Rough Logic answers the math question the working professional asks on the job. The site is a calm, fast, ad-free, account-free, ever-free reference. It does not interpret code. It does not replace the licensed professional. It does not store your inputs. The Authority Having Jurisdiction governs all installations and inspections.