Formula.litres = gallons × 3.78541.
Relationship.1 US gal = 3.78541 L.
Worked example. 5 gal = 18.927 L.
Gallons to Liters Converter.
1 US gal = 3.78541 L, so 5 gal = 18.927 L. Type any value below to convert gallons to liters instantly.
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| mL | L | m³ | fl oz | cup | pt | qt | gal | imp pt | imp gal |
|---|---|---|---|---|---|---|---|---|---|
| 18.927059 | 0.0189270589 | 0.0000189271 | 0.64 | 0.08 | 0.04 | 0.02 | 0.005 | 0.0333069674 | 0.0041633709 |
| 189.270589 | 0.1892705892 | 0.0001892706 | 6.4 | 0.8 | 0.4 | 0.2 | 0.05 | 0.3330696739 | 0.0416337092 |
| 1892.7059 | 1.892706 | 0.0018927059 | 64 | 8 | 4 | 2 | 0.5 | 3.330697 | 0.4163370923 |
| 18927.0589 | 18.927059 | 0.0189270589 | 640 | 80 | 40 | 20 | 5 | 33.306967 | 4.163371 |
| 189270.5892 | 189.270589 | 0.1892705892 | 6400 | 800 | 400 | 200 | 50 | 333.069674 | 41.633709 |
| 1892705.892 | 1892.7059 | 1.892706 | 64000 | 8000 | 4000 | 2000 | 500 | 3330.6967 | 416.337092 |
| 18927058.92 | 18927.0589 | 18.927059 | 640000 | 80000 | 40000 | 20000 | 5000 | 33306.9674 | 4163.3709 |
How to convert gallons to liters
gallons to liters conversion table
| gal | L |
|---|---|
| 0.25 | 0.946352946 |
| 0.5 | 1.892706 |
| 1 | 3.785412 |
| 1.5 | 5.678118 |
| 2 | 7.570824 |
| 2.5 | 9.463529 |
| 3 | 11.356235 |
| 4 | 15.141647 |
| 5 | 18.927059 |
| 6 | 22.712471 |
| 7 | 26.497882 |
| 8 | 30.283294 |
| 9 | 34.068706 |
| 10 | 37.854118 |
| 12 | 45.424941 |
| 15 | 56.781177 |
| 20 | 75.708236 |
| 25 | 94.635295 |
| 30 | 113.562354 |
| 40 | 151.416471 |
| 50 | 189.270589 |
| 55 | 208.197648 |
| 75 | 283.905884 |
| 100 | 378.541178 |
| 250 | 946.352946 |
Frequently Asked Questions
How do I convert gallons to litres?
Multiply US gallons by 3.78541. For example, 5 gal × 3.78541 ≈ 18.93 litres.
How many litres is 10 gallons?
10 US gallons equals about 37.85 litres.
How big is a 55-gallon drum in litres?
A 55 US gallon drum holds about 208 litres.
Why do US and UK gallons differ?
They are defined differently: a US gallon is 3.785 L and an imperial gallon is 4.546 L, so always note which gallon a figure uses.