Converters
Culinary Volume & Weight Scaling Converter
Scale a recipe to a new number of servings and convert the quantity between cups, grams, ounces and millilitres — adjusted for the ingredient's density.
- Scale factor
- × 1.50
- Scaled weight
- 375.0 g
- US cups
- 3.00
- Ounces
- 13.23 oz
- Millilitres
- 710 ml
- Tablespoons / teaspoons
- 47.3 tbsp · 142 tsp
Why cups and grams don't convert 1:1
A cup is a measure of volume, not weight. A cup of plain flour weighs about 125g, but a cup of honey weighs around 340g — nearly three times as much. That's why this converter asks for the ingredient: it uses a density figure (grams per cup) to move between volume and weight accurately.
The conversion is: grams = cups × grams-per-cup, and the reverse for going back. For liquids like water and milk, 1 cup ≈ 236.6 ml, so grams and millilitres are almost interchangeable.
How recipe scaling works
The scale factor is simply target servings ÷ recipe servings. Every ingredient quantity is multiplied by that factor. Note that cooking times, pan sizes and strong seasonings (chilli, salt, spices) don't always scale linearly — a doubled stew rarely needs exactly double the chilli.
Grams per US cup — reference table
| Ingredient | 1 US cup (g) | 1 tbsp (g) |
|---|---|---|
| Plain flour | 125 | 7.9 |
| Caster sugar | 200 | 12.7 |
| Granulated sugar | 200 | 12.7 |
| Brown sugar (packed) | 220 | 13.9 |
| Icing sugar | 120 | 7.6 |
| Butter | 227 | 14.4 |
| Cocoa powder | 100 | 6.3 |
| Rolled oats | 90 | 5.7 |
| Rice (uncooked) | 185 | 11.7 |
| Ground almonds | 100 | 6.3 |
| Honey / golden syrup | 340 | 21.6 |
| Water / milk / stock | 237 | 15.0 |
US vs UK cup measures
US recipes use a 236.6 ml cup; older UK recipes sometimes use a 284 ml (half-pint) cup, and Australian cups are 250 ml. This tool uses the US standard. When in doubt, weigh ingredients — a cheap digital scale removes all ambiguity.