That depends on how big it is (they come in various sizes).
It's so close it makes little difference.
1 fluid ounce.
They weigh about 1 ounce !
1 ounce
1 ounce
1.22 oz or 34.38 g - one tbsp (US) weighs 0.61 oz or 17.19g
1 ounce or 28.3 grams
1/16 of an ounce
1 pounds = 16 ounce
1 ounce
There are 16 ounces in a pound. If 16 dried beans weigh 1 ounce, then to find out how many beans weigh 1 pound, you would multiply the number of beans in an ounce by the number of ounces in a pound: 16 beans/ounce × 16 ounces = 256 beans. Therefore, 256 dried beans weigh 1 pound.
Ounces are a unit of weight, so yes, 1 ounce of anything = 1 ounce of anything else.