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Grains, Rice & Legumes

Convert cups of black beans (cooked) to ounces

One cup of black beans (cooked) weighs about 6.07 oz, and half a cup comes to roughly 3.03 oz. Enter any amount below to convert it, or use the chart further down as a quick reference while you cook.

1 cup of black beans (cooked) =

6.07 oz

kg
0.172
lb
0.379

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

cups to ounces 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 volume
Cups (US)GramsOunces (weight)Pounds
1/8 cup21.5 g0.758 oz0.047 lb
1/4 cup43 g1.52 oz0.095 lb
1/3 cup57.3 g2.02 oz0.126 lb
1/2 cup86 g3.03 oz0.19 lb
2/3 cup115 g4.04 oz0.253 lb
3/4 cup129 g4.55 oz0.284 lb
1 cup172 g6.07 oz0.379 lb
1 1/2 cup258 g9.1 oz0.569 lb
2 cup344 g12.1 oz0.758 lb
3 cup516 g18.2 oz1.14 lb
4 cup688 g24.3 oz1.52 lb

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 cups figure is converted into millilitres or grams using standard unit sizes (cup = 237 ml).
  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 ounces are in 1 cup of black beans (cooked)?

1 cup of black beans (cooked) is 6.07 oz. This is based on a density of 172 g per US cup.

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

2 cups of black beans (cooked) is 12.1 oz, and 3.03 oz for half a cup.

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