Instant oats (dry): How Many Grams in a Cup?

Instant oats, dry; pre-steamed and thinly rolled oats that hydrate fast.

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  • US cup = 236.588 mL
  • 1 tbsp = 14.787 mL
  • 1 tsp = 4.929 mL

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Based on the measured density of Instant oats (dry) (0.32 g/mL). Values rounded; real weight varies by brand, packing and temperature. Full sources in the tool on ChefSolver.

Reference table

Instant oats (dry) — cups to grams
Cupsg
1/8 cup9
1/4 cup19
1/3 cup25
1/2 cup38
2/3 cup50
3/4 cup57
1 cup76
1 1/2 cups114
2 cups151

Measure by weight for porridge, cookies, or smoothies; they pack tighter than old-fashioned oats.

FAQ

Does crystal size affect how much Instant oats (dry) fits in a cup?
Yes — finer grains pack tighter and add 5–10 % more weight per cup. The table uses standard granulation.
Can I shake or tap the cup to settle Instant oats (dry)?
No — tapping compacts the grain and adds weight. Fill gently and level without shaking for accurate readings.

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