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Convert US gallon to cubic decimeter

Here you can quickly calculate how many cubic decimeter fit in one US gallon.
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  • 1 gal = 3.785412 dm³
  • 1 dm³ = 0.264172 gal

Example: US gallon to cubic decimeter

  • 1 US gallon = 3.785412 cubic decimeter

US gallon to cubic decimeter conversion table

US gallon cubic decimeter
1 3.785412
2 7.570824
5 18.927059
10 37.854118
20 75.708236
50 189.270589
100 378.541178

US gallon to cubic decimeter formula

To convert US gallon to cubic decimeter, multiply by 3.785412.

1 gal = 3.785412 dm³
Example: 1 US gallon = 3.785412 cubic decimeter

Common volume conversion mistakes

  • '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.

Quick US gallon and cubic decimeter conversion quiz

Score: 0

5.6 cubic decimeter equals 1.63 US gallon.

Correct answer: 5.6 cubic decimeter = 1.48 US gallon.

21 cubic decimeter equals 6.38 US gallon.

Correct answer: 21 cubic decimeter = 5.55 US gallon.

20.9 US gallon equals 91 cubic decimeter.

Correct answer: 20.9 US gallon = 79.1 cubic decimeter.

14 cubic decimeter equals 4.07 US gallon.

Correct answer: 14 cubic decimeter = 3.7 US gallon.

More volume conversions