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1 pound equals how many cups?

Updated: 10/31/2022
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Wiki User

9y ago

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16 ounces = 1 pound, one cup is 8 ounces, so 1/2 pound.

But that's not the whole story!

That's why a pint has 16 fluid ounces. A fluid ounce is, like a cup, a unit of volume, but one fluid ounce of WATER weighs an ounce, a pint of WATER weighs 16 ounces = 1 pound.

This works ONLY for water!

A cup of water is 8 ounces, but a cup of anything else will weigh a different amount.

For example a cup of Crisco weighs 7 ounces, a cup of flour weighs about 6 ounces.

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Vivien Metz

Lvl 10
2y ago
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Mason Ernser

Lvl 10
2y ago

16 ounces = 1 pound, one cup is 8 ounces, so 1/2 pound.

But that's not the whole story!

That's why a pint has 16 fluid ounces. A fluid ounce is, like a cup, a unit of volume, but one fluid ounce of WATER weighs an ounce, a pint of WATER weighs 16 ounces = 1 pound.

This works ONLY for water!

A cup of water is 8 ounces, but a cup of anything else will weigh a different amount.

For example a cup of Crisco weighs 7 ounces, a cup of flour weighs about 6 ounces.

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Wiki User

9y ago
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1 lb. = 16oz., a cup = 8oz. so....1lb. = 2c.

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The above only works if you're you're using cups and pounds for cooking. For most recipes the things you would measure by cups (flour, sugar, etc.) all have about the same density as water. The old saying "a pint's a pound" arose from that happy coincidence. There are 2 cups in a pint, so 2 cups of water would weigh about one pound as stated.

However, this does not work in general because a cup is a unit of volume and an pound is a unit of weight. You need to know the density of what you're measuring - to make an extreme example, a cup of lead and a cup of air have exactly the same volume but are drastically different in weight!

This confusion between volume and weight in traditional imperial measurement units has probably arisen because of the term "ounce". It is used to describe both a unit of weight and a unit of volume (the "fluid ounce"). But as already stated, these are not equivalent. See Ounces vs. fluid ounces in Related Links below for a more complete discussion of this colloquialism.

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14y ago

it depends on the material

cup is a measure of volume, yet different material of the same volume have different weights. for example, a cup of molten lead weights more than a cup of flour

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Wiki User

9y ago

1pint equals 2 cups

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