Convert Grams to Cups: Rolled Oats
Convert grams of rolled oats back to cups with this complete reference table. Starting from 90g = 1 cup, use the table below to find cups for any gram amount. This reverse conversion is useful when a recipe specifies grams but you only have measuring cups available. Note: 1 US cup = 240ml = 16 tablespoons.
Rolled Oats Grams to Cups Table
| Grams | Cups |
|---|---|
| 25g | 0.28 cups |
| 50g | 0.56 cups |
| 75g | 0.83 cups |
| 100g | 1.11 cups |
| 125g | 1.39 cups |
| 150g | 1⅔ cups |
| 200g | 2.22 cups |
| 250g | 2.78 cups |
| 300g | 3.33 cups |
| 400g | 4.44 cups |
| 500g | 5.56 cups |
| 750g | 8.33 cups |
Based on USDA FoodData Central data (1 US cup = 240ml = 16 tablespoons = 48 teaspoons). Note: Rolled oats (old-fashioned oats) are flat and large. 1 cup = 90g. Quick oats are cut smaller — same weight per cup. Steel-cut oats are different: 1 cup = 160g (denser, unrolled). Used for granola, cookies, overnight oats.
About Rolled Oats Density
The density of rolled oats determines how much it weighs per unit of volume. At 0.375g/ml, 1 US cup (240ml) of rolled oats weighs 90g under USDA standard conditions.
Volume measurements can vary by ±10–20% depending on technique (sifted vs. spooned vs. scooped). For consistent baking results, use a kitchen scale with gram measurements whenever possible. The USDA standard (spooned-and-leveled) is the reference point for all values on this page.
Frequently Asked Questions
How many cups is 100g of rolled oats?
100g of rolled oats equals approximately 1.11 cups (based on 90g per 1 US cup).
How many cups is 200g of rolled oats?
200g of rolled oats equals approximately 2.22 cups.
How many cups is 500g of rolled oats?
500g of rolled oats equals approximately 5.56 cups.
Why convert grams to cups for rolled oats?
When a recipe lists grams but you only have measuring cups, you need to convert back. 90g = 1 cup is your baseline. Use a kitchen scale for the most accurate results.