US gallons to cubic meters
Convert us gallon to cubic meter — instant, free, with the formula shown.
1 gal (US)=0.003785 m³
How to convert us gallon to cubic meter
To convert us gallon to cubic meter, multiply by 0.00378541:
m³ = gal (US) × 0.00378541
For example, 10 gal (US) × 0.003785 = 0.037854 m³.
gal (US) to m³ conversion table
| US gallons (gal (US)) | cubic meters (m³) |
|---|---|
| 1 gal (US) | 0.003785 m³ |
| 2 gal (US) | 0.007571 m³ |
| 5 gal (US) | 0.018927 m³ |
| 10 gal (US) | 0.037854 m³ |
| 25 gal (US) | 0.094635 m³ |
| 50 gal (US) | 0.189271 m³ |
| 100 gal (US) | 0.378541 m³ |
| 250 gal (US) | 0.946353 m³ |
| 500 gal (US) | 1.892706 m³ |
| 1000 gal (US) | 3.785412 m³ |
Other us gallon conversions
Convert to cubic meter from another unit
gal (US) to m³ — 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.
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