Multiplying a recipe by 3 or dividing it in half sounds simple until you hit ⅔ of an egg, a pan that's the wrong size, and a bake time that doesn't scale linearly. RecipeFix does the math and the technique adjustments in one pass. Paste any recipe, pick a multiplier (×2, ×3, ×4) or a divider (½, ⅓, ¼), and get an accurate, rewritten recipe in kitchen-friendly fractions.
Paste a recipe link, text, or photo. Choose your target servings, or pick a preset multiplier (double, triple, quadruple) or divider (half, third, quarter). RecipeFix recalculates every ingredient in fractions your measuring cups actually have (⅓, ¼, ⅛), rounds sensibly, and flags the ingredients that don't scale linearly · salt, spices, leaveners, and baking soda all get non-linear adjustments so the recipe still tastes right.
Eggs: when a divider gives you ⅔ of an egg, RecipeFix suggests beating one egg and using two-thirds by weight (or dropping a tablespoon of milk to compensate). Pan size: doubling a 9-inch cake usually means a 9×13, not two 9-inch pans · and the bake time barely changes. Salt and spice: never scale one-to-one on a triple; RecipeFix scales by ~85% to keep flavor balanced. Leaveners: baking powder and baking soda scale sub-linearly to avoid metallic aftertastes.
Once your recipe is multiplied or divided, launch Cook Mode. Per-step timers, per-step ingredient checklists, and quantities that match your batch · no mental math while your hands are full.
Paste the recipe into RecipeFix, set the target servings to 3× the original (e.g. from 4 to 12), and every ingredient is multiplied with kitchen-friendly fractions. Spices and leaveners are scaled sub-linearly so the flavor stays balanced.
Paste the recipe and set servings to half the original. RecipeFix converts everything into real kitchen fractions (½, ¼, ⅛), handles the odd-egg problem by suggesting a weighed portion, and adjusts the bake time and pan size when relevant.
Beat one egg in a bowl, weigh it, and use half the weight (a large egg is about 50g, so use 25g). RecipeFix flags this on any divided recipe with a suggested substitution.
Usually less than people think. Doubling a 9-inch cake into a 9×13 adds only 5–10 minutes because the surface area grows proportionally. RecipeFix suggests the right pan and adjusts the time.
Yes. Soups, stews, casseroles, sauces · anything scales. Salt and acid are dialed sub-linearly so a tripled batch doesn't taste over-seasoned.
Half a Recipe Calculator · Double a Recipe Calculator · How to Halve a Recipe (Guide) · Kitchen Measurement Converter
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