The short answer: A cup of grapes typically weighs about 150 to 170 grams (5.3 to 6 ounces), depending on grape size and how they are packed.
Cup of grapes weight by type
Grape weight is usually estimated by the cup or bunch because individual grapes vary so much. Here are some common types and their typical weights per cup.
| Type (example) | Typical weight per cup |
|---|---|
| Seedless table grapes | about 150-160 g (5.3-5.6 oz) |
| Large seedless grapes | about 160-170 g (5.6-6 oz) |
| Small / champagne grapes | about 145-155 g (5.1-5.5 oz) |
| Grapes with seeds | about 150-165 g (5.3-5.8 oz) |
What affects cup of grapes weight
- Grape size. Larger grapes pack with more gaps, slightly changing weight per cup.
- Variety. Table, wine, and champagne grapes differ in size and density.
- Seeds. Seeded grapes carry a little extra weight per berry.
- Ripeness. Riper grapes hold more juice and weigh slightly more.
- How they are packed. Pressing grapes into the cup raises the measured weight.
- Water content. Fresh grapes weigh more than slightly shriveled ones.
How cup of grapes weight compares
A cup of grapes weighs about the same as a medium apple plus a little, or roughly the same as a deck and a half of cards (around 160 grams).
Frequently asked questions
How many grams is a cup of grapes?
A cup of grapes weighs about 150 to 170 grams (5.3 to 6 ounces).
How many grapes are in a cup?
A cup holds roughly 25 to 35 grapes, depending on their size.
Does a cup of grapes count as a serving of fruit?
Yes. About a cup, or roughly 150 grams, is commonly counted as one serving of fruit.
