How many grams in a cup of oats (old-fashioned or quick-cooking)?

1 cup of oats (old-fashioned or quick-cooking) weighs 89 grams (3.1 oz). Half a cup is 45 g and a tablespoon is about 5.6 g.

Convert oats (old-fashioned or quick-cooking)

Amount

From

Fractions work: 1 1/2, 1½ or 0.75.

Grams89 g

Ounces3.1 oz

Cups1 (≈ 1 cup)

1 cup = 16 tablespoons = 48 teaspoons.

Spoon it into the cup, then level the top with a straight edge. Scooping straight from the bag packs it down and adds weight.
For the most consistent bakes, weigh with a digital kitchen scale. Cup weights change with how an ingredient is scooped.

Weight per cup from the King Arthur Baking ingredient weight chart. Ounces and spoon amounts are calculated from that value.

How many grams are in a cup of oats (old-fashioned or quick-cooking)?

One US cup of oats (old-fashioned or quick-cooking) weighs about 89 grams (3.1 oz). One tablespoon weighs about 5.6 grams.

How many grams is ½ cup of oats (old-fashioned or quick-cooking)?

½ cup of oats (old-fashioned or quick-cooking) weighs about 45 grams, and ¼ cup weighs about 22 grams.

How many cups is 100 grams of oats (old-fashioned or quick-cooking)?

100 grams of oats (old-fashioned or quick-cooking) is about 1.12 cups, or roughly 1⅛ cups.

Price recipes by weight in BakerTabAdd oats (old-fashioned or quick-cooking) in cups or grams and BakerTab works out what every bake costs.