How many grams are in a cup of water?

1 US cup of water weighs 237 g, or 8.4 oz. Type any amount to convert it from cups to grams, or from grams to cups.

1 cup of water weighs 237 g. Source: USDA FoodData Central.

1 cup of water is 237 grams.

Converting something else? The cups to grams converter has all 103 ingredients.

Save a recipe once. Read it in cups or grams.

ReciDeck saves recipes from Instagram, TikTok, YouTube and any website as clean cards. Each card switches between cups and grams with one tap and rescales to the servings you need. Free to start on iPhone.

Download ReciDeck on the App Store

Android version coming soon. Join the waitlist

Save a recipe once. Read it in cups or grams.

ReciDeck saves recipes from Instagram, TikTok, YouTube and any website as clean cards. Each card switches between cups and grams with one tap and rescales to the servings you need. Free to start on iPhone.

Download ReciDeck on the App Store

Android version coming soon. Join the waitlist

Save a recipe once. Read it in cups or grams.

ReciDeck saves recipes from Instagram, TikTok, YouTube and any website as clean cards. Each card switches between cups and grams with one tap and rescales to the servings you need. Free to start on iPhone.

Download ReciDeck on the App Store

Android version coming soon. Join the waitlist

Water cups to grams chart

1 US cup of water weighs 237 g, or 8.4 oz. Among liquids and purees a cup runs from 224 g of vanilla extract to 255 g of applesauce, so each one needs its own number. The weight is from USDA FoodData Central, checked in November 2026.

US cups

Grams

Ounces

¼ cup

59

2.1

⅓ cup

79

2.8

½ cup

118

4.2

⅔ cup

158

5.6

¾ cup

178

6.3

1 cup

237

8.4

1 ½ cups

355

12.5

2 cups

474

16.7

Water grams to cups chart

The closest measure you can scoop with cups and spoons, and the exact amount in cups.

Grams

Kitchen measure

Cups

50 g

3 tablespoons plus 1 ¼ teaspoons

0.21

100 g

¼ cup plus 3 tablespoons

0.42

125 g

½ cup plus 1 teaspoon

0.53

150 g

½ cup plus 2 tablespoons

0.63

200 g

¾ cup plus 2 tablespoons

0.84

250 g

1 cup plus 1 tablespoon

1.05

500 g

2 cups plus 2 tablespoons

2.11

Water in tablespoons and teaspoons

1 tablespoon of water weighs 15 g and 1 teaspoon weighs 5 g. A cup is 16 tablespoons or 48 teaspoons.

Grams

Tablespoons

Teaspoons

5 g

0.34

1.01

10 g

0.68

2.03

15 g

1.01

3.04

25 g

1.69

5.06

50 g

3.38

10 ⅛

100 g

6 ¾

20 ⅓

How do you measure a cup of water?

Pour the water into a clear measuring jug on a flat surface and read it at eye level. A US cup holds 236.6 ml.

More conversions

Questions, answered.

Something else? Write to us at support@recideck.com.

How many cups is 250 g of water?

250 g of water is about 1 cup plus 1 tablespoon, or 1.05 cups.

How many cups is 250 g of water?

250 g of water is about 1 cup plus 1 tablespoon, or 1.05 cups.

How many cups are in a pound of water?

1 pound (454 g) of water is about 1.91 cups.

How many cups are in a pound of water?

1 pound (454 g) of water is about 1.91 cups.

Does a metric cup of water weigh the same as a US cup?

No. A metric cup holds 250 ml and a US cup 236.6 ml, so a metric cup of water weighs 250 g against 237 g. Australian recipes use the metric cup.

Does a metric cup of water weigh the same as a US cup?

No. A metric cup holds 250 ml and a US cup 236.6 ml, so a metric cup of water weighs 250 g against 237 g. Australian recipes use the metric cup.

Keep every recipe in one safe place.

ReciDeck saves recipes from Instagram, TikTok, YouTube, websites and handwritten pages as clean cards, organized and easy to find. Free to start on iPhone.

Download ReciDeck on the App Store

Android version coming soon. Join the waitlist

ReciDeck

ReciDeck is a recipe deck app for iPhone: every recipe you save becomes a card. It saves recipes from Instagram, TikTok, YouTube, recipe websites and photos of printed or handwritten pages, and keeps them safe in one place, organized and easy to find.

© 2026 Bruno Dini. ReciDeck is not affiliated with TikTok, Instagram or YouTube.

Apple, the Apple logo and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.

ReciDeck

ReciDeck is a recipe deck app for iPhone: every recipe you save becomes a card. It saves recipes from Instagram, TikTok, YouTube, recipe websites and photos of printed or handwritten pages, and keeps them safe in one place, organized and easy to find.

© 2026 Bruno Dini. ReciDeck is not affiliated with TikTok, Instagram or YouTube.

Apple, the Apple logo and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.

ReciDeck

ReciDeck is a recipe deck app for iPhone: every recipe you save becomes a card. It saves recipes from Instagram, TikTok, YouTube, recipe websites and photos of printed or handwritten pages, and keeps them safe in one place, organized and easy to find.

© 2026 Bruno Dini. ReciDeck is not affiliated with TikTok, Instagram or YouTube.

Apple, the Apple logo and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.