Cubic Meters to US Gallons Converter

One Cubic Meter equals 264.1720524 US Gallons (1 m3 = 264.1720524 gal). Multiply a Cubic Meter value by 264.1720524 to get the equivalent in US Gallons. Enter a value above to calculate the result. You can also use the formula and reference table below.

Formula

gal = m3 × 264.1720524

Multiply the Cubic Meter value by 264.1720524 to get the equivalent value in US Gallons.

Example Conversions

1 Cubic Meter (m3)

264.1720524 US Gallon (gal)

5 Cubic Meter (m3)

1320.860262 US Gallon (gal)

10 Cubic Meter (m3)

2641.720524 US Gallon (gal)

25 Cubic Meter (m3)

6604.301309 US Gallon (gal)

100 Cubic Meter (m3)

26417.20524 US Gallon (gal)

Conversion Table

Common conversion values from Cubic Meter to US Gallon
Cubic Meter (m3)US Gallon (gal)
0.126.41720524
0.5132.0860262
1264.1720524
2528.3441047
51320.860262
102641.720524
256604.301309
5013208.60262
10026417.20524
25066043.01309
500132086.0262
1000264172.0524

How to Convert Manually

Use these steps to convert Cubic Meter values to US Gallon without the calculator.

  1. Write down the value in Cubic Meter (m3) that you want to convert.
  2. Multiply that value by 264.1720524.
  3. For example, 10 Cubic Meters × 264.1720524 = 2641.720524 US Gallons.
  4. Label the result as US Gallon (gal).

Relative Size Comparison

1 Cubic Meter
1 m3
1 US Gallon0.003785411784 Cubic Meters

This chart shows the visual difference in size between exactly one Cubic Meter and one US Gallon.

About Cubic Meter and US Gallon

The cubic meter is the SI derived unit of volume: 1,000 liters. Construction (concrete, excavation), water utilities, and freight all bill by the cubic meter. The US gallon is defined as 231 cubic inches, exactly 3.785411784 liters. US fuel prices, milk jugs, and paint cans are all per-gallon quantities. One Cubic Meter equals 264.1720524 US Gallons (1 m3 = 264.1720524 gal). Cubic Meter is used in concrete and excavation quantities and in household water billing. US Gallon is used in US fuel prices.

Precision and Rounding:US and imperial volume units share names but differ in size (an imperial gallon is about 20% larger than a US gallon), so confirm which system a figure uses before converting. Kitchen work tolerates rounding to the nearest milliliter or quarter-teaspoon; fuel, chemistry, and brewing need three or more decimal places.

Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).

Worked Example

15Cubic Meters equals3962.580785US Gallons.

15 m3 × 264.1720524 = 3962.580785 gal

FAQ

How do I convert Cubic Meter to US Gallon?

Multiply the Cubic Meter value by 264.1720524 to get the equivalent value in US Gallons.

What is the formula for Cubic Meter to US Gallon?

The formula is gal = m3 × 264.1720524.

How many US Gallons are in 1 Cubic Meter?

1 Cubic Meter equals 264.1720524 US Gallons.

Can I convert US Gallon back to Cubic Meter?

Yes. 1 US Gallon equals 0.003785411784 Cubic Meters, and the related converter can reverse the calculation.

What are common names for Cubic Meter and US Gallon?

Cubic Meter is shown as m3 and may also be searched as cubic meters, m³. US Gallon is shown as gal and may also be searched as gallons, us gallons.

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