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How many cups is 100 g of oats?

100 g is about 1⅛ US cups (240 ml), 1.1 metric cups (250 ml) or 1⅓ cups of 200 ml. One US cup weighs about 90 g.

From
Cup size

Rolled oats

100 g = 1⅛ cup

  • Cups1⅛
  • Tablespoons18
  • Teaspoons53
  • Millilitres263

Dry ingredients are spooned into the cup and levelled. Scooped straight from the bag, flour can weigh up to 20% more — for baking, a scale is the safest bet.

Conversion tables (US cup · 240 ml):

Grams to cups

GramsCups
25 g¼
50 g0.6
100 g1⅛
150 g1⅔
200 g2¼
250 g2¾
300 g3⅓
500 g5.6

Cups to grams

CupsGrams
⅛11 g
¼23 g
⅓30 g
½45 g
⅔60 g
¾68 g
190 g
1½135 g
2180 g
3270 g

Spoons to grams

SpoonsGrams
½ tsp0.9 g
1 tsp1.9 g
2 tsp3.8 g
½ tbsp2.8 g
1 tbsp5.6 g
2 tbsp11 g
3 tbsp17 g
4 tbsp23 g
8 tbsp45 g

Other ingredients (US cup · 240 ml):

All ingredients →

How to convert grams to cups:

  1. Pick the ingredient

    each one has its own weight per cup.

  2. Type the grams

    like 100, 250 or 37.5.

  3. Choose your cup

    US, metric or 200 ml — then read off cups and spoons.

Questions:

How many cups is 100 g of oats?
100 g is about 1⅛ US cups (240 ml), 1.1 metric cups (250 ml) or 1⅓ cups of 200 ml. One US cup weighs about 90 g.
Why does another site give a different number?
Charts use different cups (240 ml, 250 ml or 200 ml) and different ways of filling them. Our numbers are for spooned and levelled cups (brown sugar packed, butter pressed in); scooping packs in more.
Should I weigh or use cups?
For baking, weigh if you can — it gives the same result every time. For soups, rice or sauces, cups are close enough.

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