Quick answer
US cup of 236.6 ml, spooned in loosely and leveled. Tablespoon = 15 ml; teaspoon = 5 ml.
Convert any amount
Cups of rolled oats to grams
| Cups | Grams | Ounces |
|---|---|---|
| ⅛ cup | 11.2 g | 0.4 oz |
| ¼ cup | 22.5 g | 0.79 oz |
| ⅓ cup | 30 g | 1.1 oz |
| ½ cup | 45 g | 1.6 oz |
| ⅔ cup | 60 g | 2.1 oz |
| ¾ cup | 67.5 g | 2.4 oz |
| 1 cup | 90 g | 3.2 oz |
| 1½ cups | 135 g | 4.8 oz |
| 2 cups | 180 g | 6.3 oz |
| 3 cups | 270 g | 9.5 oz |
Tablespoons and teaspoons to grams
| Measure | Grams |
|---|---|
| 1 teaspoon | 1.9 g |
| ½ tablespoon | 2.8 g |
| 1 tablespoon | 5.6 g |
| 2 tablespoons | 11.2 g |
| 3 tablespoons | 16.9 g |
| 4 tablespoons (¼ cup) | 22.5 g |
Grams of rolled oats to cups
| Grams | Cups | Tablespoons |
|---|---|---|
| 25 g | ¼ cup | 4.4 |
| 50 g | 0.56 cup | 8.9 |
| 100 g | 1⅛ cups | 17.8 |
| 125 g | 1⅓ cups | 22.2 |
| 150 g | 1⅔ cups | 26.7 |
| 200 g | 2¼ cups | 35.6 |
| 250 g | 2¾ cups | 44.4 |
| 300 g | 3⅓ cups | 53.3 |
| 500 g | 5½ cups | 88.9 |
| 1000 g | 11⅛ cups | 178 |
How to measure it
This value is for old-fashioned rolled oats. Quick or instant oats pack tighter and weigh about 100 g per cup. If you grind oats into flour, measure after grinding: a cup of oats gives a bit less than a cup of oat flour.
FAQ
How many grams are in a cup of rolled oats?
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One US cup (236.6 ml) of rolled oats weighs about 90 g, or 3.2 oz. Half a cup is 45 g and a quarter cup is 22.5 g.
How many cups is 100 grams of rolled oats?
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100 g of rolled oats is 1⅛ cups, or about 17.8 tablespoons.
How much does a tablespoon of rolled oats weigh?
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A level tablespoon (15 ml) of rolled oats weighs about 5.6 g, and a teaspoon (5 ml) about 1.9 g.
Which cup do these charts use?
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The US customary cup of 236.6 ml. If your recipe uses a 250 ml metric cup (Australia, UK), multiply the grams by 1.06.