WHAT THIS TOOL DOES
This recipe scaler changes ingredient quantities when you want more or fewer servings than the original recipe.
It is useful for doubling recipes, halving recipes, meal prep, batch cooking and adjusting recipes for guests.
Use the same unit style as your recipe: grams, millilitres, teaspoons, cups or items.
HOW TO USE IT
Enter the original number of servings from the recipe.
Enter the new number of servings you want to make.
Add ingredient names and amounts, choose rounding, then press SOLVE.
The tool applies the same scale factor to every ingredient.
RECIPE SCALING FORMULA
Scale factor = new servings ÷ original servings.
New ingredient amount = old ingredient amount × scale factor.
Every ingredient is multiplied by the same scale factor.
Original servings must be more than zero.
WORKED EXAMPLE
Original recipe serves 4. New recipe should serve 6.
Scale factor = 6 ÷ 4 = 1.5.
200g flour becomes 200 × 1.5 = 300g.
300ml milk becomes 300 × 1.5 = 450ml.
WHO USES IT
Home cooks use it when a recipe serves the wrong number of people.
Bakers use it to resize ingredient quantities while keeping the recipe proportions the same.
It is also useful for batch cooking, meal prep, party food planning and reducing leftovers.
COMMON SEARCHES
recipe scaler, recipe serving calculator, scale recipe ingredients, double a recipe, halve a recipe.
Other searches include cooking measurement calculator, resize recipe, batch cooking calculator and ingredient multiplier.
Check seasoning and cooking times separately when scaling recipes.
RELATED TOOLS
This page belongs to the utility calculators section.
Use related pages for unit price comparisons, mixing ratios and wider calculator navigation.