Skip to content

Free browser tools that respect your files: everything runs locally, nothing is uploaded.

Gallons to Cubic Meters Converter

Free instant gal → m³ converter. No signup, no uploads — everything is calculated privately in your browser.

1 gal = 0.00378541 cubic meters

Free and instant — every calculation runs in your browser. Nothing is uploaded.

Quick Answer

1 gallon equals 0.00378541 cubic meters. To convert gallons to cubic meters, multiply the value by this factor.

Key Facts

  • Reverse: 1 cubic meter = 264.172 gallons.
  • All volume units here are US customary; imperial (UK) cups and gallons are larger.

Gallons to Cubic Meters Formula

Formula: value ÷ 264.172

Prefer to skip the math? Type any value in the converter above and it converts instantly.

Gallons to Cubic Meters Conversion Table

Gallons (gal)Cubic Meters (m³)
1 gal0.00378541 m³
2 gal0.00757082 m³
5 gal0.0189271 m³
10 gal0.0378541 m³
25 gal0.0946353 m³
50 gal0.189271 m³
100 gal0.378541 m³
250 gal0.946353 m³
500 gal1.89271 m³
1,000 gal3.78541 m³

Frequently Asked Questions

How do I convert gallons to cubic meters?

Enter the value above and the result appears instantly — the calculation runs entirely in your browser. Formula: value ÷ 264.172.

What is the exact gallons to cubic meters conversion factor?

1 gallon = 0.00378541 cubic meters (shown to 6 significant figures — the converter itself computes at full precision). The reverse factor is 1 cubic meter = 264.172 gallons.

What are some common gallons to cubic meters conversions?

1 gal = 0.00378541 m³; 10 gal = 0.0378541 m³; 100 gal = 0.378541 m³. Use the full conversion table below for more reference values.

Are US and imperial volume units the same?

No, and the difference matters. This converter uses US customary measures: 1 US cup = 236.588 mL and 1 US gallon = 3.785411784 L. An imperial cup is 284 mL and an imperial gallon is 4.546 L, so recipes from the UK may need adjusting.

Related Volume Conversions

Browse all volume converters →