Cubic Meters to Gallons Converter
Enter the volume in cubic meters below to convert it to gallons.
Convert Cubic Meters to Gallons (US)
Enter a value in cubic meters (m³) to convert to gallons (us) (gal (US)).
Cubic Meter to Gallon Conversion Table
Table showing various cubic meter measurements converted to gallons. Click any preset value or arrow to load it into the converter.
| Cubic Meters (m³) | Gallons (US) (gal (US)) |
|---|---|
| 1 m³ | 264.1720524 gal (US) |
| 2 m³ | 528.3441047 gal (US) |
| 2.5 m³ | 660.4301309 gal (US) |
| 5 m³ | 1,320.8602618 gal (US) |
| 10 m³ | 2,641.7205236 gal (US) |
| 15 m³ | 3,962.5807854 gal (US) |
| 20 m³ | 5,283.4410472 gal (US) |
| 25 m³ | 6,604.301309 gal (US) |
| 30 m³ | 7,925.1615707 gal (US) |
| 50 m³ | 13,208.6026179 gal (US) |
How to Convert Cubic Meters to Gallons
To convert cubic meters to gallons, multiply the volume by the following conversion ratio: 264.1720524 gallons/cubic meter.
Since one cubic meter is equal to 264.1720524 gallons, you can use this simple formula to convert:
The volume in gallons is equal to the volume in cubic meters multiplied by 264.1720524.
For example, here's how to convert 5 cubic meters to gallons using the formula above.
How Many Gallons Are in a Cubic Meter?
There are 264.1720524 gallons in a cubic meter, which is why we use this value in the formula above.
Our cubic meter to gallon calculator automatically converts your volume measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Cubic Meters and gallons are both units used to measure volume. Keep reading to learn more about each unit.
What Is a Cubic Meter?
A cubic meter is a unit of volume equal to 1,000 liters (L), the base unit for volume. SI coherent derived unit of volume equal to 1,000 liters. [1]
The cubic meter is classified as an International System of Units (SI) unit of volume. Cubic Meters can be abbreviated as m³; for example, 1 cubic meter can be written as 1 m³.
When working with cubic meters (m³) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, cubic meters (m³) are widely used across large-scale industrial, bulk, and macro-level volume specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Gallon?
A gallon is a unit of volume equal to 3.7854118 liters (L), the base unit for volume. US liquid gallon defined as exactly 231 cubic inches (3.78541 L). [2]
The gallon is classified as a US customary unit of volume. Gallons can be abbreviated as gal (US); for example, 1 gallon can be written as 1 gal (US).
When working with gallons (gal (US)) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, gallons (gal (US)) are widely used across standard volume applications within US customary workflows, engineering documentation, and technical data sheets.
When converting volume between cubic meters (m³) and gallons (gal (US)), keep full floating-point precision (1 m³ = 264.1720524 gal (US); 1 gal (US) = 0.0037854 m³) during intermediate calculations and round only the final gallon figure to match your instrument tolerance.
More Cubic Meter & Gallon Conversions
Need to calculate in the opposite direction? Use our gallons (us) to cubic meters calculator to switch your starting unit immediately. You can also explore related tools such as converting gallons (us) to cubic meters, converting liters to gallons (us), or converting quarts (us) to gallons (us).
Convert from Cubic Meters
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Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Volume)·Volume & Liquid Metrology Standard — Cubic Meters (m³) to Gallons (US) (gal (US))
- [2]NIST HB 44 SpecificationNIST HB 44 (Liquid & Dry Capacity Tables)·Unit Specifications: Cubic Meter (m³) & Gallon (US Liquid) (gal (US))
- [3]NIST SP 811 ReferenceNIST SP 811 (NIST SP 811 App. B.9)·Conversion Factors & Mathematical Basis (m³ to gal (US))