Convert Oat Milk from Cup (US) to Ounces

How many ounces is 1 US cup of oat milk?

1 US cup of oat milk (oat drink) is 8.29 ounces. 2 US cups of oat milk is 16.59 ounces. 1/2 US cup of oat milk is 4.15 ounces. 1/4 US cup (0.25 US cup) of oat milk is 2.07 ounces. Use the converter below for any amount.

Oat milk is a plant drink made by blending oats with water and straining out the solids, prized for its creamy mouthfeel and slight natural sweetness. One metric cup (250 ml) weighs around 245 grams or 8.64 ounces. When a recipe calls for oat milk in cups but the carton lists millilitres, converting by weight keeps the body of coffee, porridge, and dairy-free bakes consistent.

Oat milk cartons hold 1 litre or 250 ml mini-packs, while recipes call for cups, grams, and tablespoons. Converting between the four stops you over-pouring into a delicate batter.

Also known as

  • oat drink
  • oat beverage

Cow's milk is richer in fat than oat milk (around 3 to 4% to oat milk's 3%) and slightly heavier (258 g vs 245 g per cup). Swap 1:1 by volume in pancakes, cocoa, and cake batters for a dairy-free result; oat milk gives a thicker mouthfeel in coffee than skim or low-fat milk. See what 1 US cup of milk is in ounces.

Almond milk is thinner and lower in fat than oat milk (around 1 to 2% to oat milk's 3%). They are equal in weight (245 g vs 245 g per cup) and swap 1:1; oat milk gives a creamier body in coffee and bakes, while almond milk stays lighter in shakes and porridge. See what 1 US cup of almond milk is in ounces.

Soy milk is higher in protein than oat milk (around 3% to oat milk's 1%), so it sets firmer in cooked sauces and custards. They are equal in weight (245 g vs 245 g per cup) and swap 1:1; oat milk wins in coffee for body, while soy milk wins in custards for hold. See what 1 US cup of soy milk is in ounces.

Oat milk is blended from rolled oats and water, then strained, so the oats are its base ingredient. Soak and blend rolled oats to make your own, and weigh the oats when scaling a batch up or down. See what 1 US cup of rolled oats is in ounces.

Out of oat milk? See oat milk substitutes →

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Oat Milk Measurement Converter

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Result

8.29 Ounces

Common Oat Milk Conversions

Here are the most common oat milk conversions from cups (US) to ounces.

Cups (US)Ounces
0.25 cups (US)2.07 oz
0.5 cups (US)4.15 oz
0.75 cups (US)6.22 oz
1 cup (US)8.29 oz
1.25 cups (US)10.37 oz
1.5 cups (US)12.44 oz
2 cups (US)16.59 oz
2.5 cups (US)20.74 oz
3 cups (US)24.88 oz

Oat Milk Conversion Chart

The conversion chart below gives a quick reference for converting oat milk from Cup (US) to Ounces and other measurements.

cup(US)ouncescupgramslbkgtbsptspmlfl oz
0.25 cup (US)2.07 oz0.24 cup58.8 g0.13 lb0.06 kg4 tbsp12 tsp60 ml2.03 fl oz
0.5 cup (US)4.15 oz0.48 cup117.6 g0.26 lb0.12 kg8 tbsp24 tsp120 ml4.06 fl oz
1 cup (US)8.29 oz0.96 cup235.2 g0.52 lb0.24 kg16 tbsp48 tsp240 ml8.12 fl oz
2 cup (US)16.59 oz1.92 cup470.4 g1.04 lb0.47 kg32 tbsp96 tsp480 ml16.23 fl oz

For the reverse conversion, see 1 ounce of oat milk in US cups.

Frequently Asked Questions

What is 1 US cup of oat milk in ounces?
1 US cup of oat milk is 8.29 ounces. The ratio is fixed, so 2 US cups of oat milk is 16.59 ounces and 0.5 US cups is 4.15 ounces. Use the converter above for any quantity, or check the conversion chart on this page for the most common amounts at a glance. Open the oat milk converter
How many ounces is 1.5 US cups of oat milk?
1.5 US cups of oat milk is 12.44 ounces. The ratio is fixed, so 1 US cup of oat milk is 8.29 ounces and 2 US cups is 16.59 ounces. Type any other amount into the converter above for the exact figure, or use the chart below for the common ones.
What is 2 US cups of oat milk in ounces?
2 US cups of oat milk is 16.59 ounces. Conversions scale in a straight line, so halving or doubling a recipe keeps the same ratio. 1 US cup of oat milk is 8.29 ounces, and you can multiply or divide that figure to match whatever your recipe needs. Enter any amount in the converter above for an exact ounces reading.
How many US cups of oat milk is 8.29 ounces?
8.29 ounces of oat milk is 1 US cup. The conversion works the same in reverse, so you can switch between ounces and US cups without changing the result. This helps when a recipe lists US cups but you would rather weigh or measure in ounces. The converter above and the chart below cover both directions for any amount.
Are oat milk and oat drink the same thing?
Yes. Oat drink is another name for oat milk, so they are the same ingredient and convert identically. 1 US cup of oat milk is 8.29 ounces under either name, and 2 US cups is 16.59 ounces. Recipes use the two names interchangeably, so you can follow either one without changing quantities or weighing any differently.
What is 1/2 cup (US) oat milk in ounces?
1/2 US cup of oat milk is 4.15 ounces. The ratio is fixed, so 1 US cup of oat milk is 8.29 ounces and 2 US cups is 16.59 ounces. Half measures come up often when scaling a recipe down, and the figure divides cleanly. Use the converter above for any other amount, or the chart below for the common ones.
What is 1/4 cup (US) oat milk in ounces?
1/4 US cup (0.25 US cup) of oat milk is 2.07 ounces. The ratio is fixed, so 1 US cup of oat milk is 8.29 ounces and 2 US cups is 16.59 ounces. Quarter amounts often come up when scaling a recipe down step by step, and the figure divides cleanly. Use the converter above for any other quantity, or the chart below for the most common amounts.

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