Imperial Gallon to US Gallon Converter
Enter a value to instantly convert between volume units.
Precision4 dp
1 Imperial Gallon = 1.2009 US Gallon
Key Formulas
Liter → US Gallon
gal = L × 0.264172US Gallon → Liter
L = gal × 3.78541US Cup → Milliliter
mL = cup × 236.588Milliliter → US Cup
cup = mL × 0.00422675Formula
gal = imp gal × 1.20095Imperial Gallon and US Gallon are volume units. Imperial Gallon is commonly used for various applications, while US Gallon is standard for standard use. Conversion matters when working with recipes, shipping liquid goods, or scientific calculations.
Source: NIST SP 811, Table B.8
Last reviewed: · see our methodology
00| Imperial Gallon (imp gal) | US Gallon (gal) |
|---|---|
| 1 | 1.2009 |
| 5 | 6.0047 |
| 10 | 12.0095 |
| 25 | 30.0237 |
| 50 | 60.0475 |
| 100 | 120.095 |
| 500 | 600.475 |
| 1,000 | 1,200.95 |