VOLUME CONVERSION
US gallon to Cubic meter.
Convert us gallon (gal (US)) to cubic meter (m³), with the math explained.
1 gal (US) = 0.003785411784 m³
US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
THE MATH, MADE SIMPLE
How to convert us gallon to cubic meter
Multiply your us gallon value by 0.003785411784 to get the equivalent in cubic meter. Both units are normalized through the liter.
m³ = gal (US) × 0.00378541178410 gal (US) = 0.03785411784 m³
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
QUICK REFERENCE
gal (US) to m³ conversion table
| US gallon (gal (US)) | Cubic meter (m³) |
|---|---|
| 1 gal (US) | 0.003785411784 m³ |
| 2 gal (US) | 0.007570823568 m³ |
| 5 gal (US) | 0.01892705892 m³ |
| 10 gal (US) | 0.03785411784 m³ |
| 20 gal (US) | 0.07570823568 m³ |
| 50 gal (US) | 0.1892705892 m³ |
| 100 gal (US) | 0.3785411784 m³ |
| 500 gal (US) | 1.892705892 m³ |
| 1,000 gal (US) | 3.785411784 m³ |
About the us gallon
The us gallon (gal (US)) is a unit of volume. One us gallon equals 3.785411784 liter (base unit) in this calculator.
All us gallon conversionsAbout the cubic meter
The cubic meter (m³) is a unit of volume. One cubic meter equals 1,000 liter (base unit) in this calculator.
All cubic meter conversionsCommon questions
What is 1 gal (US) in m³?
One us gallon equals 0.003785411784 m³. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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