How many grams are in a cup of jam or preserves?

1 US cup of jam or preserves weighs 340 g, or 12 oz. Type any amount to convert it from cups to grams, or from grams to cups.

1 cup of jam or preserves weighs 340 g. Source: King Arthur Baking.

1 cup of jam or preserves is 340 grams.

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

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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

Jam or preserves cups to grams chart

1 US cup of jam or preserves weighs 340 g, or 12 oz. That is 142 g heavier than a cup of granulated sugar (198 g). The weight is from King Arthur Baking, checked in November 2026.

US cups

Grams

Ounces

¼ cup

85

3

⅓ cup

113

4

½ cup

170

6

⅔ cup

227

8

¾ cup

255

9

1 cup

340

12

1 ½ cups

510

18

2 cups

680

24

Jam or preserves 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

2 tablespoons plus 1 teaspoon

0.15

100 g

¼ cup plus 2 teaspoons

0.29

125 g

¼ cup plus 2 tablespoons

0.37

150 g

¼ cup plus 3 tablespoons

0.44

200 g

½ cup plus 1 tablespoon

0.59

250 g

¾ cup

0.74

500 g

1 ½ cups

1.47

Jam or preserves in tablespoons and teaspoons

1 tablespoon of jam or preserves weighs 21 g and 1 teaspoon weighs 7 g. A cup is 16 tablespoons or 48 teaspoons.

Grams

Tablespoons

Teaspoons

5 g

0.24

0.71

10 g

0.47

1.41

15 g

0.71

2 ⅛

25 g

1.18

3 ½

50 g

2 ⅓

7

100 g

4 ⅔

14

How do you measure a cup of jam or preserves?

Press the jam or preserves into the cup so that no air pockets are left, then level the top.

More conversions

Questions, answered.

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How many cups is 250 g of jam or preserves?

250 g of jam or preserves is about ¾ cup, or 0.74 cups.

How many cups is 250 g of jam or preserves?

250 g of jam or preserves is about ¾ cup, or 0.74 cups.

How many cups are in a pound of jam or preserves?

1 pound (454 g) of jam or preserves is about 1 ⅓ cups.

How many cups are in a pound of jam or preserves?

1 pound (454 g) of jam or preserves is about 1 ⅓ cups.

Does a metric cup of jam or preserves 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 jam or preserves weighs 359 g against 340 g. Australian recipes use the metric cup.

Does a metric cup of jam or preserves 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 jam or preserves weighs 359 g against 340 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.