Blueberries (fresh) — Cups to Grams
One US cup of fresh blueberries weighs about 148 grams. That makes it heavier than all-purpose flour, which is 120 grams per cup. Fresh blueberries are round and leave gaps, so a cup weighs less than it looks. Use the converter below to switch fresh blueberries between cups, grams, ounces, tablespoons and millilitres — or read the full chart underneath.
Fresh blueberries conversion chart
| Cups | Grams | Ounces | Tablespoons | Millilitres |
|---|---|---|---|---|
| ⅛ cup | 18.5 g | 0.653 oz | 2 | 29.57 ml |
| ¼ cup | 37 g | 1.31 oz | 4 | 59.15 ml |
| ⅓ cup | 49.33 g | 1.74 oz | 5.33 | 78.86 ml |
| ½ cup | 74 g | 2.61 oz | 8 | 118.3 ml |
| ⅔ cup | 98.67 g | 3.48 oz | 10.67 | 157.7 ml |
| ¾ cup | 111 g | 3.92 oz | 12 | 177.4 ml |
| 1 cup | 148 g | 5.22 oz | 16 | 236.6 ml |
| 1¼ cups | 185 g | 6.53 oz | 20 | 295.7 ml |
| 1½ cups | 222 g | 7.83 oz | 24 | 354.9 ml |
| 2 cups | 296 g | 10.44 oz | 32 | 473.2 ml |
| 3 cups | 444 g | 15.66 oz | 48 | 709.8 ml |
Grams to cups: fresh blueberries
| Grams | Cups | Ounces | Tablespoons |
|---|---|---|---|
| 10 g | 0.068 | 0.353 oz | 1.08 |
| 25 g | 0.169 | 0.882 oz | 2.7 |
| 50 g | 0.338 | 1.76 oz | 5.41 |
| 75 g | 0.507 | 2.65 oz | 8.11 |
| 100 g | 0.676 | 3.53 oz | 10.81 |
| 125 g | 0.845 | 4.41 oz | 13.51 |
| 150 g | 1.01 | 5.29 oz | 16.22 |
| 200 g | 1.35 | 7.05 oz | 21.62 |
| 250 g | 1.69 | 8.82 oz | 27.03 |
| 300 g | 2.03 | 10.58 oz | 32.43 |
| 400 g | 2.7 | 14.11 oz | 43.24 |
| 500 g | 3.38 | 17.64 oz | 54.05 |
How to measure fresh blueberries
Fresh blueberries are round and leave gaps, so a cup weighs less than it looks.
Because a cup measures volume rather than weight, the most reliable way to measure fresh blueberries is with a digital kitchen scale. If you are working from cups, keep your technique consistent every time so your results are repeatable. For more, see our guide on baking by weight versus volume.
No scale yet? You don't need a fancy one; any digital kitchen scale that reads in 1-gram steps does everything on this site. Well-rated kitchen scales on Amazon →
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Substitutes for fresh blueberries
- Equal frozen blueberries (1:1); do not thaw, toss in 1–2 tbsp flour from recipe before folding in (King Arthur Baking)Flour coating absorbs excess moisture and prevents sinking and color bleed. May need a few extra minutes of bake time.
See all fresh blueberries substitutes, ratios and sources →
Fresh blueberries conversions: FAQ
Why doesn't a cup of fresh blueberries weigh the same as a cup of water?
Common fresh blueberries conversions
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* Conversion figures are typical average weights for one US customary cup (236.6 ml), based on the King Arthur Baking Ingredient Weight Chart and cross-referenced with the U.S. Department of Agriculture FoodData Central database. Actual weight varies with packing, brand and humidity — see our methodology.