Convert cubic meters to US gallons

1 m³=264.172gal (US)

Use the converter below to change any cubic meters value into US gallons instantly — with formula, conversion table, and real-world examples.

You have

Equals

264.1721

Conversion formula

Forward

US gallons = cubic meters × 264.172

Reverse

cubic meters = US gallons × 0.003785

Example: 10 m³ × 264.172 = 2,641.72 gal (US).

About both units

From

Cubic Meter

m³

The cubic metre is the SI derived unit of volume, equal to 1000 litres. It is used for large quantities — water supply, natural gas, concrete, shipping containers and storage tanks. A 20-foot shipping container holds about 33 m³.

Real-world: A 20 ft shipping container holds ~33 m³. UK household water use is ~130 m³/year. Natural gas is billed per m³ in Europe.

Read full cubic meter reference →

US Gallon

gal (US)

The US gallon equals 3.785411784 litres exactly. It is the standard fuel and liquid volume unit in the United States. A typical American car holds 14–18 US gallons of fuel. US fuel economy is quoted in miles per US gallon (mpg).

Real-world: US car tank ≈ 15 gallons (57 L). 1 US gallon of milk is a common grocery size (3.79 L). US paint often sold by the gallon.

Read full us gallon reference →

Cubic Meter to US Gallon conversion table

Common cubic meters to US gallons values for quick reference.

Cubic Meter (m³)	US Gallon (gal (US))
1 m³	264.172 gal (US)
2 m³	528.344 gal (US)
5 m³	1,320.86 gal (US)
10 m³	2,641.72 gal (US)
20 m³	5,283.44 gal (US)
50 m³	13,208.6 gal (US)
100 m³	26,417.21 gal (US)
200 m³	52,834.41 gal (US)
500 m³	132,086.03 gal (US)
1,000 m³	264,172.05 gal (US)

Tips & common mistakes

Quick tips

1 m³ = 1000 L = 1,000,000 ml.
A cube 1 m on each side contains 1 m³ — useful mental image.
Concrete for a small patio slab (3 × 3 × 0.1 m) = 0.9 m³.

Avoid these

Confusing m³ with m² (area) on architectural plans.
Using m³ when litres would communicate better for small volumes.
Mixing cubic metres and cubic feet without conversion — 1 m³ = 35.3 ft³.

Frequently asked questions

How many US gallons in a cubic meter?

One cubic meter equals 264.172 US gallons.

How do I convert cubic meters to US gallons?

Multiply the cubic meter value by 264.172 to get the equivalent in US gallons.

What is 100 cubic meters in US gallons?

100 cubic meters equals 26,417.21 US gallons.

Is a cubic meter bigger than a us gallon?

Yes. 1 cubic meter equals 264.172 US gallons, so one cubic meter is larger.

How to convert cubic meters to US gallons without a calculator?

Multiply by 264.17 for a quick estimate; use a calculator for precise results.

Related volume conversions

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