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Rolled Oats conversions: cups, grams & ounces

One level US cup of rolled oats weighs about 90 g (3.17 oz). Also known as oats, porridge oats, old-fashioned oats. Pick an amount below for the exact answer, or use the converter.

1 cup
90 g
½ cup
45 g
¼ cup
23 g
1 tablespoon
5.6 g
100 g
1.11 cups

Rolled Oats converter

1 cup = 90 grams

Grains settle when shaken, so pour them in loosely and level off rather than tapping the cup.

Rolled Oats: grams to cups

GramsCupsExact
25 gramsabout ¼ cup0.28 cups
50 gramsabout ½ cup0.56 cups
75 gramsabout ⅞ cup0.83 cups
100 gramsabout 1⅛ cups1.11 cups
113 gramsabout 1¼ cups1.26 cups
120 grams1⅓ cups1.33 cups
125 gramsabout 1⅜ cups1.39 cups
150 grams1⅔ cups1.67 cups
170 gramsabout 1⅞ cups1.89 cups
175 gramsabout 2 cups1.94 cups
200 gramsabout 2¼ cups2.22 cups
225 grams2½ cups2.5 cups
250 gramsabout 2¾ cups2.78 cups
300 grams3⅓ cups3.33 cups
340 gramsabout 3¾ cups3.78 cups
350 grams3⅞ cups3.89 cups
400 gramsabout 4½ cups4.44 cups
450 grams5 cups5 cups
454 gramsabout 5 cups5.04 cups
500 gramsabout 5½ cups5.56 cups
600 grams6⅔ cups6.67 cups
750 grams8⅓ cups8.33 cups
1000 grams11⅛ cups11.11 cups

Rolled Oats: cups to grams

CupsGrams
1/8 cup11 grams
1/4 cup23 grams
1/3 cup30 grams
1/2 cup45 grams
2/3 cup60 grams
3/4 cup68 grams
1 cup90 grams
1 1/4 cups113 grams
1 1/2 cups135 grams
2 cups180 grams
2 1/2 cups225 grams
3 cups270 grams
4 cups360 grams

Rolled Oats: ounces to cups

OuncesCupsExact
1 ounceabout ⅓ cup0.31 cups
2 ouncesabout ⅝ cup0.63 cups
3 ouncesabout 1 cup0.94 cups
4 ouncesabout 1¼ cups1.26 cups
5 ouncesabout 1⅝ cups1.57 cups
6 ouncesabout 1⅞ cups1.89 cups
8 ouncesabout 2½ cups2.52 cups
10 ouncesabout 3⅛ cups3.15 cups
12 ouncesabout 3¾ cups3.78 cups
16 ouncesabout 5 cups5.04 cups

Rolled Oats: tablespoons to grams

TablespoonsGrams
1/2 tablespoon2.8 grams
1 tablespoon5.6 grams
2 tablespoons11 grams
3 tablespoons17 grams
4 tablespoons23 grams
5 tablespoons28 grams
6 tablespoons34 grams
8 tablespoons45 grams

Other grains, oats & seeds

Frequently asked questions

How many grams is 1 cup of rolled oats?

One level US cup of rolled oats weighs about 90 g (3.17 oz). These are typical values for level, spooned measures.

Should I weigh rolled oats or measure it by volume?

Grains settle when shaken, so pour them in loosely and level off rather than tapping the cup. Weighing is always more accurate.