Ingredient conversion

1 cup water to grams

1 US cup of water = 240 grams.
This uses the liquid measure. Switch to metric, Australian/South African or imperial cup sizes in the converter below.

Instant baking converter

Convert by ingredient, cup size and unit. Works with decimals and fractions like 1 1/2 or ¾.

Type 1/2, ¾, 1.5, or pick one.
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Why this matters: A cup of flour, sugar, butter and honey do not weigh the same.

Water cup to gram chart

CupsGrams
1/4 cup water60g
1/3 cup water80g
1/2 cup water120g
2/3 cup water160g
3/4 cup water180g
1 cup water240g
2 cup water480g
3 cup water720g

Accuracy note

For baking, small measuring differences can affect texture. If a recipe is precise, weigh water in grams rather than relying only on volume.

FAQ

How many grams is 1 cup of water?

1 US cup of water is 240 grams using the liquid measure.

Why can water conversions vary?

Cups measure volume, grams measure weight. Different cup sizes and measuring methods can change the result, especially for dry ingredients.

Should I use grams or cups for baking?

Grams are usually more reliable because weighing removes variation from scooping, packing and cup size.