How many grams in a cup of oats?
There are 89 grams in a cup of old-fashioned oats.
Weight based on 89 g per cup of oats (old-fashioned), from the King Arthur Baking ingredient weight chart.
How many grams in a cup of oats? conversion table
| Cups (cups) | Grams (g) |
|---|---|
| 0.25 cups | 22.3 g |
| 0.5 cups | 44.5 g |
| 0.75 cups | 66.8 g |
| 1 cups | 89 g |
| 1.5 cups | 134 g |
| 2 cups | 178 g |
| 3 cups | 267 g |
Frequently asked questions
How many grams are in 1 cup?
There are 89 g in 1 cup of oats (old-fashioned). The table on this page lists the everyday amounts, and the calculator converts any value the moment you type it.
How do you convert cups to grams?
Enter the amount in the cups box and the grams result appears instantly; type in either box to convert both ways. Because oats (old-fashioned) is measured by volume but weighed in grams, this uses oats (old-fashioned)'s density of 89 g per cup from the King Arthur Baking ingredient weight chart.
Is this converter free?
Yes — it is completely free with no sign-up, and every calculation runs locally in your browser, so nothing you type is uploaded. For everything at once, use the full cooking & baking converter.
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