Grains, Rice & Legumes
Convert tablespoons of rolled oats to grams
One tablespoon of rolled oats weighs about 5.63 g, and half a tablespoon comes to roughly 2.81 g. Enter any amount below to convert it, or use the chart further down as a quick reference while you cook.
1 tbsp of rolled oats =
5.63 g
- oz
- 0.198
- kg
- 0.0056
- lb
- 0.012
Rolled Oats: 90 g per US cup · USDA FoodData Central. Old-fashioned rolled oats. Quick oats are cut smaller and measure closer to 100 g per cup.
Full rolled oats chart →Rolled Oats at a glance
Every number on this page comes from a single figure: 90 grams per US cup (USDA FoodData Central).
- 1 cup
- 90 g
- 1 tablespoon
- 5.63 g
- 1 teaspoon
- 1.88 g
- 1 cup in ounces
- 3.17 oz
- 100 g in cups
- 1.11 cups
- Density
- 0.38 g/ml
tablespoons to grams chart for rolled oats
Print it, screenshot it, or bookmark this page — these are the amounts recipes ask for most often.
| Tablespoons (US) | Grams | Ounces (weight) | Pounds |
|---|---|---|---|
| 1 tbsp | 5.63 g | 0.198 oz | 0.012 lb |
| 2 tbsp | 11.3 g | 0.397 oz | 0.025 lb |
| 3 tbsp | 16.9 g | 0.595 oz | 0.037 lb |
| 4 tbsp | 22.5 g | 0.794 oz | 0.05 lb |
| 5 tbsp | 28.1 g | 0.992 oz | 0.062 lb |
| 6 tbsp | 33.8 g | 1.19 oz | 0.074 lb |
| 8 tbsp | 45 g | 1.59 oz | 0.099 lb |
| 10 tbsp | 56.3 g | 1.98 oz | 0.124 lb |
| 12 tbsp | 67.5 g | 2.38 oz | 0.149 lb |
| 16 tbsp | 90 g | 3.17 oz | 0.198 lb |
How this conversion is calculated
Volume-to-weight conversions are only as good as the density behind them. We treat rolled oats as 90 g per US customary cup, which works out to 0.380 g/ml. From there:
- Your tablespoons figure is converted into millilitres or grams using standard unit sizes (tbsp = 14.8 ml).
- The density above bridges volume and weight in whichever direction you need.
- The result is rounded the way a cook would round it — to the nearest gram, or to a usable fraction such as 1 1/8 cups.
Measuring rolled oats accurately
Old-fashioned rolled oats. Quick oats are cut smaller and measure closer to 100 g per cup.
If a recipe matters to you — bread, macarons, anything with a tight hydration or ratio — weigh it. A £10 digital scale removes the single largest source of variation in home baking, and it is faster than washing three measuring cups.
When cups are fine
- Liquids measured in a proper jug, where volume is the honest unit anyway.
- Forgiving savoury cooking: soups, stews, stir-fries, marinades.
- Small amounts of leaveners and spices, as long as you use level spoons.
Frequently asked questions
How many grams are in 1 tablespoon of rolled oats?
1 tablespoon of rolled oats is 5.63 g. This is based on a density of 90 g per US cup.
How many grams are in 2 tablespoons of rolled oats?
2 tablespoons of rolled oats is 11.3 g, and 2.81 g for half a tablespoon.
How much is 100 g of rolled oats in cups?
100 g of rolled oats is about 1 1/8 cups. Weight is always the more reliable measurement, so use a scale when the recipe gives grams.
Why do other sites give a different number for rolled oats?
Old-fashioned rolled oats. Quick oats are cut smaller and measure closer to 100 g per cup.
Do UK and Australian cups give the same result?
No. A US customary cup is 236.6 ml, a metric cup used in Australia and New Zealand is 250 ml, and an old UK imperial cup is 284 ml. Our default is the US cup, but you can pick metric cups in the converter.