Scale any recipe up or down instantly. Enter your ingredients one per line, set your target servings, and get clean cooking fractions — no decimals in sight.
Servings
Ingredients — one per line, e.g. "2 cups flour" or "1 tbsp olive oil"
Scale factor = Target servings ÷ Original servings. Every ingredient quantity is multiplied by this factor.
Clean fractions: When "Use cooking fractions" is on, decimal results are converted to the nearest standard cooking fraction (½, ⅓, ¼, ⅔, ¾, ⅛). For example, 1.5 cups becomes "1½ cups" and 0.25 tsp becomes "¼ tsp".
Important scaling notes: Leavening agents (baking powder, baking soda, yeast) don't always scale linearly — for very large batches, use slightly less than the calculated amount. Salt and strong spices scale conservatively. Cooking time increases for larger volumes but not proportionally — a doubled casserole typically needs only 20–30% more time, not double.
Supported formats: "2 cups flour", "1/2 tsp salt", "3 large eggs", "250g butter", "1 tablespoon oil"