Measuring Cups - Math Is Fun

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Measuring Cups

1 Cup

A US Cup (used in the United States) equals 8 fluid ounces in US Standard Volume. It is a common measure in cooking.

A Metric Cup (used in many other countries) is almost the same: it equals 250 milliliters in Metric Volume, which is about 8.5 fluid ounces.

Columns use different definitions of a cup, and some values are rounded. The values are close, but not always exactly the same.

Ounces to ¼ oz if 1 cup = 8 oz Tablespoons to 1 Tbs if 1 cup = 16 Tbs milliliters to 1 mL if 1 cup = 250 mL
¼ cup 2 oz 4 Tbs 63 mL
1/3 cup About 2¾ oz About 5 Tbs 83 mL
½ cup 4 oz 8 Tbs 125 mL
2/3 cup About 5¼ oz About 11 Tbs 167 mL
¾ cup 6 oz 12 Tbs 188 mL
1 cup 8 oz 16 Tbs 250 mL
1 ¼ cup 10 oz 20 Tbs 313 mL
1 ½ cup 12 oz 24 Tbs 375 mL
1 ¾ cup 14 oz 28 Tbs 438 mL
2 cups 16 oz 32 Tbs 500 mL
4 cups 32 oz 64 Tbs 1000 mL (1 liter)
8 cups 64 oz 128 Tbs 2000 mL (2 liters)

Measuring Cups

measuring cup

Measuring cups are used to measure liquids, or powders like flour or sugar.

As we fill up the measuring cup, we need to look at which number it is filled to.

cup 2/3

Here we have 2/3 cup (two-thirds of a cup) of milk.

150ml of milk in cup

And they can also measure milliliters (mL):

Here we have 150 mL.

It doesn't say "150" ... it says "50" ... but it is half-way between 100 and 200 so we can figure out it is 150 mL.

measuring cups

There are also special ones designed to hold an exact amount, such as these 1/2 cup and 1/4 cup measures.

4 cup jug

They can also hold more than "1 Cup" of liquid.

This measuring jug holds up to 4 cups of liquid. If the liquid goes all the way to the 3, then there are 3 cups of liquid. Between the numbers we find fractions of a cup.

2 cups of a liquid is the same as 1 pint. So this measuring jug also holds 2 pints (4 cups equals 2 pints).

1917, 1918 Cooking Measurements Measurement Index US Standard Volume

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