US cups to US gallons Converter

Convert us cups (cup) to us gallons (gal) instantly. Volume conversions help with baking from American recipes, comparing petrol prices quoted per gallon abroad with pump prices per litre here, and reading PUB water bills in cubic metres.

Result

US gallons
0.0625 gal

How to use the us cups to us gallons converter

  1. Enter the us cups (cup).
  2. The results update as you type, or press Calculate.
  3. Read the us gallons first, then the supporting figures below it.

Formula

US gallons = us cups × 0.062499967

Worked example

For example, with these inputs:

the calculator returns:

US cups to US gallons table

US cupsUS gallons
1 cup0.0625 gal
2 cup0.125 gal
5 cup0.3125 gal
10 cup0.625 gal
20 cup1.25 gal
25 cup1.5625 gal
50 cup3.125 gal
100 cup6.25 gal
250 cup15.625 gal
500 cup31.25 gal
1,000 cup62.5 gal

About this conversion

Volume conversions help with baking from American recipes, comparing petrol prices quoted per gallon abroad with pump prices per litre here, and reading PUB water bills in cubic metres.

For everyday use, three or four significant figures are usually enough. Engineering, science and trade documents may need more, and rounding should happen only at the end of a calculation.

Unit conversion is simply multiplication by a fixed ratio. The ratio between two units of the same quantity never changes, so once you know it you can convert any value in either direction.

Frequently asked questions

How many us gallons are in one us cup?

1 cup = 0.0625 gal.

How do I convert cup to gal?

US gallons = us cups × 0.062499967.

Guides for this calculator

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