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Grains, Rice & Legumes

Convert ounces of black beans (cooked) to cups

One ounce of black beans (cooked) weighs about 0.165 cup, and half a ounce comes to roughly 0.082 cup. Enter any amount below to convert it, or use the chart further down as a quick reference while you cook.

1 oz of black beans (cooked) =

0.165 cup

About 1/8 cup in recipe notation

ml
39
tbsp
2.64

Black Beans (cooked): 172 g per US cup · USDA FoodData Central. Drained and rinsed. A 15 oz can yields about 1 1/2 cups.

Full black beans (cooked) chart →

Black Beans (cooked) at a glance

Every number on this page comes from a single figure: 172 grams per US cup (USDA FoodData Central).

1 cup
172 g
1 tablespoon
10.8 g
1 teaspoon
3.58 g
1 cup in ounces
6.07 oz
100 g in cups
0.581 cups
Density
0.73 g/ml

ounces to cups chart for black beans (cooked)

Print it, screenshot it, or bookmark this page — these are the amounts recipes ask for most often.

Black Beans (cooked) — measured by weight
Ounces (weight)Cups (US)Tablespoons (US)Millilitres
0.5 oz0.082 cup1.32 tbsp19.5 ml
1 oz0.165 cup2.64 tbsp39 ml
2 oz0.33 cup5.27 tbsp78 ml
3 oz0.494 cup7.91 tbsp117 ml
4 oz0.659 cup10.5 tbsp156 ml
5 oz0.824 cup13.2 tbsp195 ml
6 oz0.989 cup15.8 tbsp234 ml
8 oz1.32 cup21.1 tbsp312 ml
12 oz1.98 cup31.6 tbsp468 ml
16 oz2.64 cup42.2 tbsp624 ml

How this conversion is calculated

Volume-to-weight conversions are only as good as the density behind them. We treat black beans (cooked) as 172 g per US customary cup, which works out to 0.727 g/ml. From there:

  1. Your ounces figure is converted into millilitres or grams using standard unit sizes (oz = 28.3 g).
  2. The density above bridges volume and weight in whichever direction you need.
  3. The result is rounded the way a cook would round it — to the nearest gram, or to a usable fraction such as 5/8 cups.

Measuring black beans (cooked) accurately

Drained and rinsed. A 15 oz can yields about 1 1/2 cups.

If a recipe matters to you — bread, macarons, anything with a tight hydration or ratio — weigh it. A £10 digital scale removes the single largest source of variation in home baking, and it is faster than washing three measuring cups.

When cups are fine

  • Liquids measured in a proper jug, where volume is the honest unit anyway.
  • Forgiving savoury cooking: soups, stews, stir-fries, marinades.
  • Small amounts of leaveners and spices, as long as you use level spoons.

Frequently asked questions

How many cups are in 1 ounce of black beans (cooked)?

1 ounce of black beans (cooked) is 0.165 cup. This is based on a density of 172 g per US cup.

How many cups are in 2 ounces of black beans (cooked)?

2 ounces of black beans (cooked) is 0.33 cup, and 0.082 cup for half a ounce.

How much is 100 g of black beans (cooked) in cups?

100 g of black beans (cooked) is about 5/8 cups. Weight is always the more reliable measurement, so use a scale when the recipe gives grams.

Why do other sites give a different number for black beans (cooked)?

Drained and rinsed. A 15 oz can yields about 1 1/2 cups.

Do UK and Australian cups give the same result?

No. A US customary cup is 236.6 ml, a metric cup used in Australia and New Zealand is 250 ml, and an old UK imperial cup is 284 ml. Our default is the US cup, but you can pick metric cups in the converter.

Same conversion, other grains, rice & legumes