Rolled oats in grams
81 grams
1 US cup = 236.6 ml
At a glance
| Amount | Weight (g) |
|---|---|
| 1 US teaspoon (4.9 ml) | 1.7 grams |
| 1 US tablespoon (14.8 ml) | 5.1 grams |
| 1 US cup (236.6 ml) | 81 grams |
| 1 metric cup (250 ml) | 86 grams |
| 100 milliliters | 34 grams |
Other ingredients
Questions
How many grams is a cup of rolled oats?
A US cup (236.6 ml) of rolled oats weighs 81 g. A metric cup (250 ml) weighs about 86 g.
How many grams of oats for porridge?
A typical bowl uses 40 to 50 g of rolled oats, about half a US cup, cooked in roughly twice that volume of milk or water.
How many grams is a tablespoon of rolled oats?
A 15 ml tablespoon holds about 5.1 g of rolled oats and a 5 ml teaspoon about 1.7 g.
Do quick oats weigh the same as old-fashioned oats?
The USDA lists the same 81 g per cup for regular and quick-cooking rolled oats. The difference is thickness and cooking time, not weight.
Do steel-cut oats weigh the same per cup?
No. Steel-cut oats are denser, so a cup weighs considerably more than a cup of rolled oats. Do not swap them by volume.
A US cup of rolled oats weighs 81 g according to the USDA, and 100 ml weighs about 34 g. Rolled oats are light and fluffy, so cups vary with how loosely they sit.
The USDA figure covers regular and quick-cooking rolled oats. Instant and steel-cut oats weigh differently.
USDA FoodData Central #173904 (SR Legacy, checked 2026-10-19)