Power Calculators

🧪 US Gallons to Cubic Meters Converter

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Converted Value
0.00378541

Also available in our Android app, with charts and full breakdown tables.

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⚡ US Gallons to Cubic Meters: the quick answer

1 gal = 0.00378541 m³ 1 US gallon equals 0.00378541 cubic meters

To convert US gallons to cubic meters, multiply the value by 0.00378541. To go the other way, multiply cubic meters by 264.172 to get US gallons.

↔ Convert cubic meters to US gallons instead

🧮 Formula

US Gallons to Cubic Meters
m³ = gal × 0.00378541
Cubic Meters to US Gallons
gal = m³ × 264.172

Where

  • gal = the volume in US gallons
  • m³ = the volume in cubic meters
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per US gallon) ÷ (cubic meters per cubic meter).

📊 US Gallons to Cubic Meters conversion table

US Gallons (gal)Cubic Meters (m³)
1 gal0.00378541 m³
2 gal0.00757082 m³
5 gal0.0189271 m³
10 gal0.0378541 m³
20 gal0.0757082 m³
50 gal0.189271 m³
100 gal0.378541 m³
500 gal1.89271 m³
1,000 gal3.78541 m³

✏️ Worked examples

Convert 25 US gallons to cubic meters

25 gal × 0.00378541 = 0.0946353 m³

Try this example →

Convert 250 US gallons to cubic meters

250 gal × 0.00378541 = 0.946353 m³

Try this example →

📘 About these units

US gallon (gal). The US liquid gallon is 231 cubic inches, exactly 3.785411784 liters.

Cubic meter (m³). The cubic meter is the SI unit of volume, 1,000 liters.

❓ Frequently asked questions

How many cubic meters are in one US gallon?

There are 0.00378541 cubic meters in one US gallon.

How do I convert US gallons to cubic meters?

Multiply the number of US gallons by 0.00378541. For example, 10 US gallons equal 0.0378541 cubic meters.

How many US gallons are in one cubic meter?

One cubic meter equals 264.172 US gallons.