Cubic Meters to US Gallons Converter
m³ → gal · 🧪 Volume
1 Cubic Meters = 264.17218 US Gallons
How to convert Cubic Meters to US Gallons
To convert Cubic Meters to US Gallons, multiply the value in Cubic Meters by 264.17218. For example, 5 m³ = 1,320.861 gal.
The Cubic Meters-to-US Gallons conversion comes up often in everyday and professional contexts alike. With 1 m³ equal to 264.17218 gal, you can use the tool above for any value, or scan the table below for the most common Cubic Meters amounts and their US Gallons equivalents.
Volume conversions are essential in the kitchen, in science, and in any situation involving liquids or capacity. They're also one of the trickiest areas because US and UK (imperial) measurements share names but differ in size.
Understanding Cubic Meters and US Gallons
A US gallon (3.785 liters) is noticeably smaller than a UK gallon (4.546 liters) — about 20% less. The same applies to pints, quarts, and fluid ounces. Cups, tablespoons, and teaspoons are the backbone of recipe measurement, while liters and milliliters dominate scientific and most international contexts. This US/UK split is the single biggest source of error in volume conversion.
How accurate is this conversion?
Volume conversions here use the internationally accepted definitions: the US gallon is exactly 3.785411784 liters and the imperial gallon is exactly 4.54609 liters. Always confirm which system a recipe or specification uses before converting.
All conversion factors on ClearUnits are based on internationally recognised standards (the International System of Units, SI, and official definitions). Factors are reviewed for accuracy and the calculator uses full-precision values, rounding only the displayed result.
Quick reference: common Cubic Meters to US Gallons values
The most frequently searched conversions are 1 Cubic Meters = 264.17218 US Gallons, 5 Cubic Meters = 1,320.861 US Gallons, 10 Cubic Meters = 2,641.722 US Gallons, and 100 Cubic Meters = 26,417.218 US Gallons. The full table further down covers every common value, and the calculator handles any number you need in between.
Pro tip: When following a recipe, check the source country first. A British recipe calling for a pint of liquid means 568 mL, while an American pint is only 473 mL — enough difference to affect the result of baking and sauces.
Cubic Meters to US Gallons — Conversion Table
| Cubic Meters (m³) | US Gallons (gal) |
|---|---|
| 0.1 m³ | 26.417218 gal |
| 0.25 m³ | 66.043044 gal |
| 0.5 m³ | 132.08609 gal |
| 1 m³ | 264.17218 gal |
| 2 m³ | 528.34435 gal |
| 5 m³ | 1,320.861 gal |
| 10 m³ | 2,641.722 gal |
| 25 m³ | 6,604.304 gal |
| 50 m³ | 13,208.609 gal |
| 100 m³ | 26,417.218 gal |
| 250 m³ | 66,043.044 gal |
| 500 m³ | 132,086.09 gal |
| 1000 m³ | 264,172.18 gal |