How much is 2/3 cup of oats in grams?

Reviewed by Shree • Last checked October 2026 • How we measure
Instant Answer Standard Cup Weight

2/3 cup of oats weighs 54.3 grams.

54.3 grams

≈ 1.92 oz (weight)

Level cup, spooned in (not packed)
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2/3 cup cup of Oats weighs 162 grams.

162 grams ≈ 5.72 oz

Nearby oats cup measurements

Compare weight conversions for common cup sizes of oats.

Cup Amount Weight (Grams) Weight (Ounces)
1/4 cup 20.3g 0.7 oz
1/3 cup 26.8g 0.9 oz
1/2 cup 40.5g 1.4 oz
2/3 cup Current 54.3g 1.9 oz
3/4 cup 60.8g 2.1 oz
1 cup 81.1g 2.9 oz
1 1/2 cups 121.6g 4.3 oz
2 cups 162.2g 5.7 oz

2/3 cup of oats in other units

If a recipe calls for 2/3 cup of oats, here is how that exact quantity converts into other volume and weight measurements:

  • • 54.3 grams (g) by weight
  • • 1.92 ounces (oz) by weight (View oats ounces chart →)
  • • 32 tablespoons (tbsp)
  • • 96 teaspoons (tsp)
  • • 16 fluid ounces (fl oz) of volume

How to measure oats accurately

Level cup, spooned in (not packed)

Measuring oats by volume using cups can introduce errors up to 20% due to settling, packing pressure, and variations between measuring cup brands. For dependable, professional baking and cooking results, weighing your ingredients in grams with an inexpensive digital kitchen scale eliminates every inconsistency.

Frequently asked questions

How many grams is 2/3 cup of oats?

2/3 cup of oats weighs 54.3 grams (approximately 1.92 ounces).

How many ounces is 2/3 cup of oats?

2/3 cup of oats weighs approximately 1.92 ounces (54.3g).

How many cups of oats is 100 grams?

100 grams of oats is approximately 1.23 cups.

How do you accurately measure 2/3 cup of oats?

The most accurate way to measure oats is by weight on a digital kitchen scale (54.3g). If measuring with cups, spoon the ingredient lightly into the measuring cup and level off flat with a knife without packing.

← See the full Oats cups to grams conversion chart