How many metric cup is 1 gram of water?

1 gram of water weighs approximately 0 metric cup. This is based on a density of 1 g/ml for water.

How do I measure water accurately?

Measure water in a liquid measuring cup placed on a flat surface. Read the measurement at eye level at the bottom of the meniscus.

Why does water have a specific cup-to-gram conversion?

Water has a density of 1 g/ml, meaning each milliliter weighs 1 grams. Different ingredients have different densities—for example, flour is lighter than sugar—which is why each needs its own conversion factor.

Water

Gram to Metric Cup

Ingredient

Amount

From

Result

0.004cup

high confidence USDA source

Water — Quick Reference

Common gram to metric cup conversions

Water: Gram to Metric Cup conversion table
Gram	Metric Cup
25g	0cup
50g	0cup
100g	0cup
150g	1cup
200g	1cup
250g	1cup
300g	1cup
500g	2cup

Based on water density of 1 g/ml (poured method). Source: USDA FoodData Central.

Understanding Water Conversions

The Math Behind This Conversion

To convert 1 gram of water to metric cup, we divide by the density (1 g/ml). First, 1g ÷ 1 g/ml = 1.0ml. Then, dividing by the metric cup volume (250ml): 1.0ml ÷ 250ml = 0 metric cup.

Measurement Tip

Measure water in a liquid measuring cup (the kind with a spout) placed on a flat surface. Read the measurement at eye level, looking at the bottom of the meniscus (the curved surface of the liquid). For sticky liquids like honey, lightly coat the measuring cup with oil first to help it slide out easily.

About Our Data

The density value of 1 g/ml for water is from the USDA FoodData Central database (ID: 174158). This measurement was taken with water poured into the measuring cup.

View source data on USDA FoodData Central (ID: 174158)

Frequently Asked Questions

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