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Baking & flours

Rolled oats: weights & conversions

A US cup of rolled oats weighs about 81 g. 100 g is 379 calories and 13.2 g of protein.

Also written as: oats, oatmeal, old fashioned oats, quick oats.

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1 cup of rolled oats is about 81 grams.

Cups to grams

What each measure of rolled oats weighs, from the cup weight above.

rolled oats volume conversions
VolumeGramsOunces
1 cup81 g2.86 oz
3/4 cup60.8 g
2/3 cup54 g
1/2 cup40.5 g
1/3 cup27 g
1/4 cup20.3 g
1 tablespoon5.06 g
1 teaspoon1.69 g

Ounces and pounds

The weights an older recipe card is most likely to use.

rolled oats weight conversions
WeightGramsOunces
1 oz28.3 g
4 oz (1/4 lb)113 g
8 oz (1/2 lb)227 g
1 lb454 g
100 g100 g

Nutrition

Per 100 g of edible portion, transcribed from USDA reference data, and scaled to the measures above.

Nutrition for rolled oats by measure
MeasureCaloriesProteinFatCarbsFiberSodium
Per 100 g (100 g)37913.2 g6.5 g67.7 g10.1 g6 mg
Per cup (81 g)30710.7 g5.27 g54.8 g8.18 g5 mg
Per tablespoon (5.06 g)190.67 g0.33 g3.43 g0.51 g0 mg
Per 4 oz (113 g)43015 g7.37 g76.8 g11.5 g7 mg

Free recipes that use rolled oats

From our starter library — free to read, free to save into your own cookbook.

Common questions

How many grams are in a cup of rolled oats?
One US cup of rolled oats weighs about 81 g (2.86 oz). A tablespoon is about 5.06 g and a teaspoon about 1.69 g.
How many cups is 100 g of rolled oats?
100 g of rolled oats is about 1.23 cups — near enough to 1 1/4 cups in a measuring cup.
How many calories are in rolled oats?
Rolled oats has about 379 calories per 100 g, which works out to roughly 307 calories a cup.
How much protein is in rolled oats?
About 13.2 g of protein per 100 g — roughly 15 g in a 4 oz portion.

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