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Grams of Water to Cups

1 US cup of water weighs 236.6 grams (g), or 8.3 ounces (oz), so 100 grams of water equals 0.42 cups. To convert grams of water to cups, divide the grams by 236.6.

This figure is the reference for the standard US cup size, since 1 milliliter of water weighs almost exactly 1 gram.

This page covers the water grams to cups calculator, a chart from 10 g to 1,000 g, 6 common gram amounts, a cups to grams chart, 4 measuring steps, and a comparison with 4 other liquids.

1 cup
236.6 g
8.3 oz
½ cup
118.3 g
4.2 oz
1 tablespoon (tbsp)
14.8 g
1 tsp = 4.9 g
100 g
0.42 cups
⅓ cup + 1.5 tbsp

Water Grams to Cups Calculator

Enter grams of water to get cups, tablespoons, milliliters (ml), ounces, and pounds. The calculator uses 236.6 g per US cup (236.6 ml).

Tip: Preset to water. Select another ingredient to compare.

g
Precision
Cup size 1 US cup = 236.6 ml
Water
0.42
US cups

100g = 0.42 cups (≈ ⅜ cup)

6.76
Tablespoons
100.00
Millilitres
3.53
Ounces
0.22
Pounds
Formula 100 g ÷ 236.59 g/cup = 0.42 cups

Water Grams to Cups Conversion Chart

The water grams to cups chart converts 24 amounts from 10 g to 1,000 g into cups, a cup measure with tablespoons, teaspoons (tsp), and ounces. The highlighted row equals 1 US cup.

Grams Cups Cup measure Tbsp Tsp Oz
10 g 0.04 0.5 tbsp 0.7 2 0.4
15 g 0.06 1 tbsp 1 3 0.5
20 g 0.08 1.5 tbsp 1.4 4.1 0.7
25 g 0.11 1.5 tbsp 1.7 5.1 0.9
30 g 0.13 2 tbsp 2 6.1 1.1
50 g 0.21 3.5 tbsp 3.4 10.1 1.8
60 g 0.25 ¼ cup 4.1 12.2 2.1
75 g 0.32 ⅓ cup 5.1 15.2 2.6
100 g 0.42 ⅓ cup + 1.5 tbsp 6.8 20.3 3.5
120 g 0.51 ½ cup 8.1 24.3 4.2
125 g 0.53 ½ cup + 0.5 tbsp 8.5 25.4 4.4
150 g 0.63 ½ cup + 2 tbsp 10.1 30.4 5.3
175 g 0.74 ¾ cup 11.8 35.5 6.2
200 g 0.85 ¾ cup + 1.5 tbsp 13.5 40.6 7.1
225 g 0.95 ¾ cup + 3 tbsp 15.2 45.6 7.9
236.6 g 1 1 cup 16 48 8.3
250 g 1.06 1 cup + 1 tbsp 16.9 50.7 8.8
300 g 1.27 1 ¼ cups + 0.5 tbsp 20.3 60.9 10.6
350 g 1.48 1 ½ cups 23.7 71 12.3
400 g 1.69 1 ⅔ cups + 0.5 tbsp 27.1 81.2 14.1
450 g 1.9 1 ¾ cups + 2.5 tbsp 30.4 91.3 15.9
500 g 2.11 2 cups + 2 tbsp 33.8 101.4 17.6
750 g 3.17 3 cups + 2.5 tbsp 50.7 152.2 26.5
1,000 g 4.23 4 ¼ cups 67.6 202.9 35.3

Values use US cups and the measuring method in the steps below. Cup measures round to the nearest ½ tablespoon.

How Many Cups Is 100, 200, 250, or 500 Grams of Water?

6 common recipe amounts of water convert to cups as follows, with the cup and tablespoon measure for each.

Water Cups to Grams Chart

The water cups to grams chart lists the weight of 13 US measures, from 1 teaspoon to 4 cups, in grams and ounces.

US measure Grams Ounces
1 teaspoon 4.9 g 0.2 oz
1 tablespoon 14.8 g 0.5 oz
⅛ cup 29.6 g 1 oz
¼ cup 59.1 g 2.1 oz
⅓ cup 78.9 g 2.8 oz
½ cup 118.3 g 4.2 oz
⅔ cup 157.7 g 5.6 oz
¾ cup 177.4 g 6.3 oz
1 cup 236.6 g 8.3 oz
1 ½ cups 354.9 g 12.5 oz
2 cups 473.2 g 16.7 oz
3 cups 709.8 g 25 oz
4 cups 946.4 g 33.4 oz

Convert any cup amount with the cups to grams converter.

How to Measure Water Accurately

To measure water accurately, use a clear liquid measuring cup on a flat surface and read the line at eye level.

  1. 1

    Use a liquid measuring cup

    Set a clear liquid measuring cup with a spout on a flat counter.

  2. 2

    Pour to the line

    Pour the water slowly as it gets close to the measurement line.

  3. 3

    Read at eye level

    Bend down so the line sits at eye level. Reading from above shows more than the cup holds.

  4. 4

    Weigh it for an exact amount

    Set a bowl on a kitchen scale, press tare, and add water until the scale shows the gram amount in the recipe.

Water vs Other Liquids: Grams per Cup

Of 4 other liquids, 3 weigh less per cup than water and 1 weigh more. Swap liquids by weight, not by cup, since the same cup holds a different number of grams.

Ingredient Grams per cup vs water 100 g in cups
Olive oil 216 g −20.6 g 0.46
Vegetable oil 218 g −18.6 g 0.46
Coconut oil 218 g −18.6 g 0.46
Water 236.6 g — 0.42
Broth 240 g +3.4 g 0.42

Water Grams to Cups FAQ

How many grams are in 1 cup of water?
1 US cup of water weighs 236.6 grams (8.3 oz). ½ cup weighs 118.3 g, and ¼ cup weighs 59.1 g.
How many cups is 100 grams of water?
100 grams of water is 0.42 cups, or ⅓ cup + 1.5 tbsp with a standard measuring cup set. 100 g equals 6.8 tablespoons and 3.5 oz.
How many cups is 200 grams of water?
200 grams of water is 0.85 cups, or ¾ cup + 1.5 tbsp with a standard measuring cup set. 200 g equals 13.5 tablespoons and 7.1 oz.
How many cups is 250 grams of water?
250 grams of water is 1.06 cups, or 1 cup + 1 tbsp with a standard measuring cup set. 250 g equals 16.9 tablespoons and 8.8 oz.
How many cups is 500 grams of water?
500 grams of water is 2.11 cups, or 2 cups + 2 tbsp with a standard measuring cup set. 500 g equals 33.8 tablespoons and 17.6 oz.
How many grams of water are in 1 tablespoon?
1 tablespoon of water weighs 14.8 g, and 1 teaspoon weighs 4.9 g. A US cup holds 16 tablespoons and 48 teaspoons.
What is 2 cups of water in grams?
2 cups of water is 473.2 grams (16.7 oz). 3 cups is 709.8 g, and 4 cups is 946.4 g.
Is it better to measure water in grams or cups?
Grams are more accurate for water. A kitchen scale reads the same weight every time, while a cup of water changes weight with packing, settling, and how the cup is filled.

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