Scale any recipe up or down by servings — double it for a crowd, halve it for two, or hit an exact serving count. Enter the original and desired serving numbers, add each ingredient with its amount and unit, and every quantity recalculates instantly.
How it works
The tool computes a single scaling factor = desired servings ÷ original servings, then multiplies the amount of every ingredient by that factor. Units are free text, so grams, cups, tablespoons, millilitres, or simple counts all scale by the same number — the tool only touches the numeric amount, leaving your unit label unchanged. You can add or remove ingredient rows freely, and the scaled column updates as you type.
Example
A recipe serves 4 and you want 6, so the factor is 6 ÷ 4 = 1.5. Each ingredient is multiplied by 1.5:
| Ingredient | Original (4) | Scaled (6) |
|---|---|---|
| Flour | 200 g | 300 g |
| Sugar | 100 g | 150 g |
| Eggs | 2 | 3 |
| Milk | 250 ml | 375 ml |
To halve a recipe instead, set desired servings to half the original (factor 0.5).
Your ingredients and amounts stay in your browser and are never uploaded.