Formula. litres = gallons × 3.78541.
Relationship. 1 US gallon = 3.78541 L.
Worked example. 5 gal = 18.927059 L.
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Gallons to Liters Converter.
Convert gallons to liters instantly with this free calculator. 1 US gallon = 3.78541 L.
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| mL | L | m³ | fl oz | cup | pt | qt | gal | imp pt | imp gal |
|---|---|---|---|---|---|---|---|---|---|
| 18.927059 | 0.018927059 | 0.0000189271 | 0.6399999932 | 0.0800000127 | 0.0399999979 | 0.0200000011 | 0.005 | 0.0333069646 | 0.0041633709 |
| 189.27059 | 0.18927059 | 0.0001892706 | 6.4 | 0.8000001268 | 0.3999999789 | 0.2000000106 | 0.05 | 0.333069646 | 0.0416337094 |
| 1892.7059 | 1.892706 | 0.0018927059 | 63.999999 | 8.000001 | 4 | 2 | 0.5 | 3.330696 | 0.4163370941 |
| 18927.059 | 18.927059 | 0.018927059 | 639.999993 | 80.000013 | 39.999998 | 20.000001 | 5 | 33.306965 | 4.163371 |
| 189270.59 | 189.27059 | 0.18927059 | 6399.9999 | 800.000127 | 399.999979 | 200.000011 | 50 | 333.069646 | 41.633709 |
| 1892705.9 | 1892.7059 | 1.892706 | 63999.9993 | 8000.0013 | 3999.9998 | 2000.0001 | 500 | 3330.6965 | 416.337094 |
| 18927059 | 18927.059 | 18.927059 | 639999.9932 | 80000.0127 | 39999.9979 | 20000.0011 | 5000 | 33306.9646 | 4163.3709 |
How to convert gallons to liters
gallons to liters conversion table
| gal | L |
|---|---|
| 0.25 | 0.94635295 |
| 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 | 26.497883 |
| 8 | 30.283294 |
| 9 | 34.068706 |
| 10 | 37.854118 |
| 12 | 45.424942 |
| 15 | 56.781177 |
| 20 | 75.708236 |
| 25 | 94.635295 |
| 30 | 113.562354 |
| 40 | 151.416472 |
| 50 | 189.27059 |
| 55 | 208.197649 |
| 75 | 283.905885 |
| 100 | 378.54118 |
| 250 | 946.35295 |
FAQ
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.
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