Convert US gallon to cubic meter

Here you can quickly calculate how many cubic meter fit in one US gallon.

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Conversion from US gallon to cubic meter example

Starting value Increment Accuracy

To convert US gallon to cubic meter, multiply by 0.003785.

1 gal = 0.003785 m³

Example: 1 US gallon = 0.003785 cubic meter

'Gallon' names two different measures: the US gallon is about 3.785 liters and the imperial gallon about 4.546 liters, a full 20% larger. US fuel figures and UK recipes therefore use different gallons. Always check the country before converting.
Between neighbouring volume units it is easy to drop a power of ten: 1 cubic meter is 1,000 liters and 1 hectoliter is 100 liters. A 50 m³ pool holds 50,000 liters. Convert everything to liters before comparing and the slips become obvious.

Score: 0

78 US gallon equals 0.591 cubic meter.

Correct answer: 78 US gallon = 0.295 cubic meter.

20.2 cubic meter equals 5.34e+3 US gallon.

Correct answer: 20.2 cubic meter = 5.34e+3 US gallon.

6.7 cubic meter equals 1.77e+3 US gallon.

Correct answer: 6.7 cubic meter = 1.77e+3 US gallon.

21.2 US gallon equals 0.0803 cubic meter.

Correct answer: 21.2 US gallon = 0.0803 cubic meter.