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Gallon (US) to Cubic Meter Converter

Convert Gallon (US) to Cubic Meter instantly — live results with exact conversion factors.

0.00378541178 m³

Answer

1 gallon (us) = 0.003785411784 cubic meters. To convert gal to m³, multiply by 0.003785411784.

Quick Reference Table

Gallon (US) (gal) Cubic Meter (m³)
1 0.00378541178
2 0.00757082357
5 0.018927059
10 0.037854118
20 0.075708236
50 0.18927059
100 0.37854118
250 0.94635295
500 1.89270589
1000 3.78541178

Formula

Convert Gallon (US) (gal) to Cubic Meter (m³) using the relationship:

m³ = gal × 0.003785411784

How to Convert

  1. Take the value in gallons (us) (gal).
  2. Multiply it by 0.003785411784 (the conversion factor from gal to m³).
  3. The result is the equivalent value in cubic meters (m³).
  4. Example: 1 gal = 0.00378541178 m³.

Reverse Conversion

Need it the other direction? Cubic Meter to Gallon (US) conversion.

All Volume Conversions

See the full list of Volume conversions.

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FAQ

▸ How many cubic meters are in 1 gallon (us)?

1 Gallon (US) equals 0.00378541178 cubic meters. Multiply by 0.003785411784 to convert gal to m³.

▸ What is the formula to convert gallon (us) to cubic meter?

Multiply the value in gallons (us) by 0.003785411784 to get cubic meters. Formula: m³ = gal × 0.003785411784.

▸ How do I convert gallons (us) to cubic meters easily?

Enter your value in the converter at the top of this page — the cubic meters result updates live as you type. You can also multiply by 0.003785411784 directly.