Converters
Cooking Measurement Converter
Convert cups, spoons, and millilitres to grams for flour, sugar, butter, rice, and more.
Result
Enter your numbers and press Calculate to see the result.
Calculating…
Why cups to grams depends on the ingredient
A cup is a measure of volume and a gram is a measure of weight. Nothing converts one to the other without knowing what is in the cup, because ingredients have wildly different densities.
grams = cups × grams per cup for that ingredient
One cup of honey weighs 340 g. One cup of cocoa powder weighs 85 g — four times lighter, same cup. Any converter that offers a single "cups to grams" answer is quietly assuming water.
Grams in one US cup
| Ingredient | Grams per cup | Half cup | Quarter cup |
|---|---|---|---|
| Water | 237 g | 118 g | 59 g |
| Milk | 244 g | 122 g | 61 g |
| Flour, all-purpose | 125 g | 63 g | 31 g |
| Flour, bread | 130 g | 65 g | 33 g |
| Sugar, granulated | 200 g | 100 g | 50 g |
| Sugar, brown (packed) | 213 g | 107 g | 53 g |
| Sugar, powdered | 120 g | 60 g | 30 g |
| Butter | 227 g | 113 g | 57 g |
| Rice, uncooked white | 185 g | 93 g | 46 g |
| Rolled oats | 90 g | 45 g | 23 g |
| Honey | 340 g | 170 g | 85 g |
| Cocoa powder | 85 g | 43 g | 21 g |
Flour is the one that ruins recipes
A cup of flour can weigh anywhere from 120 g to 155 g depending purely on how it got into the cup. Scooping the cup through the bag compacts the flour and can add 25% more than the recipe intended — which is the single most common reason home baking comes out dry and dense.
The reference figure of 125 g assumes the spoon-and-level method: spoon flour loosely into the cup, then level the top with a straight edge. If you bake regularly, weighing flour is the cheapest improvement available.
Fluid ounces are not ounces
English uses one word for two different things, and recipes suffer for it:
- Fluid ounces (fl oz) measure volume. There are 8 in a US cup, always, regardless of contents.
- Ounces (oz) measure weight. One is 28.35 g.
They coincide only for water. A cup of flour is 8 fl oz by volume but just 4.4 oz by weight, so treating the two as the same nearly doubles the flour.
Volume conversions
| Measure | In cups | In millilitres |
|---|---|---|
| 1 teaspoon | 1/48 | 4.93 ml |
| 1 tablespoon | 1/16 | 14.79 ml |
| 1 US cup | 1 | 236.6 ml |
| 1 US pint | 2 | 473 ml |
| 1 US quart | 4 | 946 ml |
| 1 half gallon | 8 | 1.89 L |
| 1 US gallon | 16 | 3.79 L |
| 1 decilitre | 0.42 | 100 ml |
US, metric, and imperial cups all differ
| Cup | Volume | Used in |
|---|---|---|
| US customary | 236.6 ml | United States — the default in most online recipes |
| US legal | 240 ml | US nutrition labelling |
| Metric | 250 ml | Australia, New Zealand, most of Europe |
| Imperial | 284 ml | Older UK and Commonwealth recipes |
An Australian cup holds 6% more than an American one, and an old imperial cup holds 20% more. For a cake, 20% extra liquid is the difference between a sponge and a pudding — so it is worth knowing where a recipe came from.
Dry pints and quarts are different again. A US dry pint is 551 ml against 473 ml for a liquid pint, which is why a "pint of blueberries" is not the same measure as a pint of milk.
For weights on their own, use the weight converter; for oven temperatures, the temperature converter handles Celsius, Fahrenheit, and gas marks' underlying values.
Cooking Measurement Converter — frequently asked questions
How many grams is a cup?
It depends entirely on the ingredient. A cup of flour is 125 g, granulated sugar is 200 g, butter is 227 g, and honey is 340 g. A cup measures volume, so there is no single answer.
How many grams of flour in a cup?
125 g using the spoon-and-level method. Scooping the cup straight through the bag compacts the flour and can add 25% more, which is the usual cause of dry, dense baking.
Are fluid ounces the same as ounces?
No. Fluid ounces measure volume — 8 in a US cup — while ounces measure weight, at 28.35 g each. They match only for water. A cup of flour is 8 fl oz but only 4.4 oz by weight.
Is a US cup the same as a metric cup?
No. A US cup is 236.6 ml, a metric cup used in Australia and Europe is 250 ml, and an older imperial cup is 284 ml. That last one holds 20% more, which will change a cake.
How many cups are in a pint, quart, or gallon?
2 cups in a US pint, 4 in a quart, 8 in a half gallon, and 16 in a gallon. Dry measures differ — a US dry pint is 551 ml against 473 ml for liquid.