Quick Oats: Grams to Cups
1 cup of quick oats = 85 grams
One US cup of quick oats weighs 85 grams. One 250 ml metric cup — the one used in the UK, Australia, New Zealand and Canada — holds 90 grams. To convert any weight, divide the grams by the figure for your cup.
Quick oats are rolled oats cut smaller. This site uses 85 g per cup; King Arthur Baking weighs them with old-fashioned oats at 89 g and USDA lists 81 g for regular and quick oats.
Where the 85 g figure comes from
- USDA FoodData Central: 1 cup of “Cereals, oats, regular and quick, not fortified, dry” = 81 g (FDC ID 173904)
- King Arthur Baking ingredient weight chart: Oats (old-fashioned or quick-cooking), 1 cup = 89 g (chart)
This site uses 85 g per US cup of quick oats, spooned and levelled. References checked September 2026.
How many cups is X grams of quick oats?
| Grams | US cups | Metric cups | Tablespoons | Ounces |
|---|---|---|---|---|
| 25 g quick oats | ⅓ | ¼ | 4.71 | 0.88 |
| 50 g quick oats | ⅝ | ½ | 9.41 | 1.76 |
| 75 g quick oats | ⅞ | ⅞ | 14.12 | 2.65 |
| 100 g quick oats | 1⅛ | 1⅛ | 18.82 | 3.53 |
| 110 g quick oats | 1⅓ | 1¼ | 20.71 | 3.88 |
| 120 g quick oats | 1⅜ | 1⅓ | 22.59 | 4.23 |
| 125 g quick oats | 1½ | 1⅜ | 23.53 | 4.41 |
| 130 g quick oats | 1½ | 1½ | 24.47 | 4.59 |
| 140 g quick oats | 1⅔ | 1½ | 26.35 | 4.94 |
| 150 g quick oats | 1¾ | 1⅔ | 28.24 | 5.29 |
| 170 g quick oats | 2 | 1⅞ | 32 | 6.00 |
| 175 g quick oats | 2.06 | 1.95 | 32.94 | 6.17 |
| 200 g quick oats | 2⅓ | 2¼ | 37.65 | 7.05 |
| 225 g quick oats | 2⅔ | 2½ | 42.35 | 7.94 |
| 240 g quick oats | 2⅞ | 2⅔ | 45.18 | 8.47 |
| 250 g quick oats | 2.94 | 2¾ | 47.06 | 8.82 |
| 275 g quick oats | 3¼ | 3.06 | 51.76 | 9.70 |
| 300 g quick oats | 3½ | 3⅓ | 56.47 | 10.58 |
| 350 g quick oats | 4⅛ | 3⅞ | 65.88 | 12.35 |
| 400 g quick oats | 4⅔ | 4½ | 75.29 | 14.11 |
| 450 g quick oats | 5⅓ | 5 | 84.71 | 15.87 |
| 500 g quick oats | 5⅞ | 5⅝ | 94.12 | 17.64 |
How to measure quick oats accurately
The 85 g figure assumes the spooned-and-levelled method: spoon the quick oats into a dry measuring cup and sweep the top flat with a straight edge. Scooping the cup through the bag compacts it and gives a heavier cup.
- 1 US cup of quick oats = 85 g
- 1 metric cup (250 ml) of quick oats = 90 g
- ¾ cup = 64 g
- ½ cup = 43 g
- ⅓ cup = 28 g
- ¼ cup = 21 g
- 1 tablespoon = 5.3 g
Frequently asked questions
How many cups is 100 grams of quick oats?
100 grams of quick oats is about 1⅛ US cups, based on 85 g per cup, or 1⅛ metric cups.
How many grams in a cup of quick oats?
One US cup of quick oats weighs 85 grams. A 250 ml metric cup holds 90 grams.
How many cups is 250 grams of quick oats?
250 grams of quick oats is about 2.94 US cups, or 2¾ metric cups.
Does a UK cup of quick oats weigh the same as a US cup?
No. A UK, Australian or Canadian metric cup is 250 ml against the US 236.6 ml, so it holds about 5.7% more — 90 g of quick oats rather than 85 g.
How many tablespoons is 100 grams of quick oats?
100 grams of quick oats is about 18.82 tablespoons.
More grains and rice conversions: Rolled Oats (old fashioned) grams to cups, Steel Cut Oats grams to cups and Cornmeal grams to cups.