Formula
imp gal to L conversion formula
Use this relationship for a direct conversion:
L = imp gal x 4.54609
Worked example
2 imp gal = 9.09218 L.
US liquid and Imperial gallon definitions are treated separately and use their exact legal values.
Volume conversion
Convert Imperial gallon to Liter
1 imperial gallon (imp gal) equals 4.54609 liter (L). Enter any value below to convert from imp gal to L.
Enter a value and choose units. Results update instantly.
1 imp gal = 4.54609 L
All Volume units
From 1 imp gal| Unit | Value |
|---|---|
| Cubic meter m³ | 0.00454609 |
| Liter L | 4.54609 |
| Milliliter mL | 4,546.09 |
| Cubic centimeter cm³ | 4,546.09 |
| Cubic inch in³ | 277.4194327916 |
| Cubic foot ft³ | 0.1605436532 |
| US gallon US gal | 1.2009499255 |
| Imperial gallon imp gal | 1 |
| US quart US qt | 4.803799702 |
| US customary cup US cup | 19.2151988081 |
| US fluid ounce US fl oz | 153.7215904646 |
Recent conversions
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Quick reference
Imperial gallon to Liter table
| Imperial gallon (imp gal) | Liter (L) |
|---|---|
| 0.01 | 0.0454609 |
| 0.1 | 0.454609 |
| 1 | 4.54609 |
| 2 | 9.09218 |
| 5 | 22.73045 |
| 10 | 45.4609 |
| 25 | 113.65225 |
| 50 | 227.3045 |
| 100 | 454.609 |
| 1,000 | 4,546.09 |
From unit
About the imperial gallon
Exactly 4.54609 liters.
Symbol: imp gal
To unit
About the liter
Exactly one cubic decimeter.
Symbol: L
Keep converting
Related conversions
Liter to Imperial gallonReverse this conversion Imperial gallon to Cubic meterimp gal to m³Imperial gallon to Milliliterimp gal to mLImperial gallon to Cubic inchimp gal to in³Imperial gallon to Cubic footimp gal to ft³Imperial gallon to US gallonimp gal to US galImperial gallon to US customary cupimp gal to US cup
Source
Conversion standard
Definitions are checked against NIST Handbook 44, Appendix C. Calculations use full internal precision before display rounding.
View the complete volume converterQuestions
imp gal to L FAQ
How do you convert imperial gallon to liter?
Use the formula L = imp gal x 4.54609. 1 imperial gallon (imp gal) equals 4.54609 liter (L).
Is the imp gal to L conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.