Imperial Gallon to US Gallon Converter
1 Imperial Gallon = 1.20095 US Gallon
1.20095
1 Imperial Gallon = 1.20095 US Gallon
Imperial Gallon to US Gallon Conversion Table
| Imperial Gallon (gal (imp)) | US Gallon (gal) |
|---|---|
| 0 | 0 |
| 1 | 1.20095 |
| 5 | 6.00475 |
| 10 | 12.009499 |
| 25 | 30.023748 |
| 50 | 60.047496 |
| 100 | 120.094993 |
Imperial Gallon to US Gallon Formula
1 Imperial Gallon = 1.2009499255 US Gallons. To convert imperial gallons to us gallons, multiply by 1.2009499255.
Example: Convert 5 Imperial Gallons to US Gallons
5 × 1.2009499255 = 6.0047496275
Result: 5 Imperial Gallons = 6.0047496275 US Gallons
Comparing the Two Gallon Standards
Although both units are called gallons, the Imperial gallon and the US gallon represent different volumes. The Imperial gallon is approximately 20% larger.Why the Difference Matters
Fuel economy, tank capacity and product packaging can be misleading if the gallon type is not specified.International Travel Example
Vehicle specifications from the UK and the US often use different gallon standards.A Useful Benchmark
One Imperial gallon equals approximately 1.20 US gallons.How to Convert Imperial Gallons to US Gallons
Multiply Imperial gallons by 1.20095. For example: 1 Imp gal = 1.20 US gal 10 Imp gal = 12.01 US galFAQ
- Why do people confuse Imperial and US gallons?
- They share the same name but represent different volumes.
- What is the conversion factor from Imperial gallons to US gallons?
- One Imperial gallon equals approximately 1.201 US gallons.
- Why is this distinction important?
- It affects fuel economy, recipes and liquid storage calculations.
Reviewed and verified by ConvertAmore
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All calculations are based on internationally recognized measurement standards and established conversion formulas. Learn more about our calculation methodology, precision, and sources.