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Oat milk: weights & conversions

A US cup of oat milk weighs about 240 g. 100 g is 43 calories and 0.8 g of protein.

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1 cup of oat milk is about 240 grams.

Cups to grams

What each measure of oat milk weighs, from the cup weight above.

oat milk volume conversions
VolumeGramsOunces
1 cup240 g8.47 oz
3/4 cup180 g
2/3 cup160 g
1/2 cup120 g
1/3 cup80 g
1/4 cup60 g
1 tablespoon15 g
1 teaspoon5 g

Ounces and pounds

The weights an older recipe card is most likely to use.

oat milk weight conversions
WeightGramsOunces
1 oz28.3 g
4 oz (1/4 lb)113 g
8 oz (1/2 lb)227 g
1 lb454 g
100 g100 g

Nutrition

Per 100 g of edible portion, transcribed from USDA reference data, and scaled to the measures above.

Nutrition for oat milk by measure
MeasureCaloriesProteinFatCarbsFiberSodium
Per 100 g (100 g)430.8 g1.5 g6.7 g0.8 g42 mg
Per cup (240 g)1031.92 g3.6 g16.1 g1.92 g101 mg
Per tablespoon (15 g)60.12 g0.22 g1 g0.12 g6 mg
Per 4 oz (113 g)490.91 g1.7 g7.6 g0.91 g48 mg

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If you have run out

  • Almond milk, the same amount. Thinner and nuttier than oat milk.

Common questions

How many grams are in a cup of oat milk?
One US cup of oat milk weighs about 240 g (8.47 oz). A tablespoon is about 15 g and a teaspoon about 5 g.
How many cups is 100 g of oat milk?
100 g of oat milk is about 0.42 cups — near enough to 3/8 of a cup in a measuring cup.
How many calories are in oat milk?
Oat milk has about 43 calories per 100 g, which works out to roughly 103 calories a cup.
What can I use instead of oat milk?
Almond milk, the same amount. Thinner and nuttier than oat milk.

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