Marks Calc

US gallons to cubic meters

Convert us gallon to cubic meter — instant, free, with the formula shown.

1 gal (US)=0.003785

How to convert us gallon to cubic meter

To convert us gallon to cubic meter, multiply by 0.00378541:

= gal (US) × 0.00378541

For example, 10 gal (US) × 0.003785 = 0.037854 .

gal (US) to conversion table

US gallons (gal (US))cubic meters ()
1 gal (US)0.003785
2 gal (US)0.007571
5 gal (US)0.018927
10 gal (US)0.037854
25 gal (US)0.094635
50 gal (US)0.189271
100 gal (US)0.378541
250 gal (US)0.946353
500 gal (US)1.892706
1000 gal (US)3.785412
Reverse: Cubic Meter to US Gallon

Other us gallon conversions

Convert to cubic meter from another unit

gal (US) to — frequently asked

How many cubic meters are in 1 us gallon?

1 us gallon = 0.003785 cubic meters (gal (US) × 0.003785 = m³).

What is the formula to convert us gallon to cubic meter?

Multiply your us gallon value by 0.00378541 to get cubic meter.

How do I convert 10 US gallons to cubic meters?

10 gal (US) = 0.037854 m³. For 100 gal (US) the answer is 0.378541 m³. Use the calculator on this page for any other value.

When to convert us gallon to cubic meter

1Cooking and recipes (cups ↔ mL, tbsp ↔ tsp)
2Fuel economy and tank capacity (gal ↔ L)
3Brewing and beverages (pint, fl oz)
4Industrial fluid handling (m³, barrels)

Volume conversion — common questions

Is a US gallon the same as a UK gallon?

No. A US gallon = 3.785 L while a UK (imperial) gallon = 4.546 L. UK gallons are about 20% larger.

How many milliliters in a teaspoon?

1 US teaspoon ≈ 4.929 mL. For cooking, 5 mL is a common rounded value.

How many liters in 1 cubic meter?

Exactly 1,000 L. 1 m³ = 1000 L because 1 L is defined as 1 dm³.

See all volume converters