Cubic Meters to US Gallons Converter

Enter cubic meters or US gallons and get the instant two-way conversion — 1 m³ = 264.172 US gal.

Two-Way Volume Conversion

gal

Conversion Formulas

gal = m³ × 264.172052
m³ = gal ÷ 264.172052

1 US liquid gallon = 3.785411784 liters (exact). 1 m³ = 1,000 liters, so 1 m³ ÷ 3.785411784 = 264.172052… US gal.

Common Conversions

Cubic Meters (m³) US Gallons (gal)

Summary

Enter cubic meters or US gallons and get the instant two-way conversion — 1 m³ = 264.172 US gal.

How it works

  1. Enter a value in cubic meters — the US gallon result appears instantly.
  2. Or enter a value in the US gallons field to convert back to cubic meters.
  3. The converter uses the exact factor: 1 m³ = 264.172052 US liquid gallons.
  4. The formula panel shows the full calculation for your specific value.
  5. The reference table lists common cubic meter amounts with their gallon equivalents.

Use cases

  • Convert water tank or pool volumes from cubic meters to US gallons.
  • Calculate fuel storage capacity when switching between metric and US units.
  • Convert irrigation or agricultural water volumes for US-based planning.
  • Check shipping container liquid capacity in gallons from metric specs.
  • Convert well or reservoir volumes reported in cubic meters to gallons.
  • Verify appliance or industrial equipment capacities across unit systems.

Frequently Asked Questions

Last updated: 2026-06-09 · Reviewed by Nham Vu