US gallons to liters
liters = US gallons × 3.785412
Reverse: liters to US gallons
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How to convert US gallons to liters
One US gallon is 3.785412 liters, so multiply the number of US gallons by 3.785412. For example, 20 US gallons is 20 × 3.785412 = 75.708236 liters. To go back, divide by the same number, or multiply by 0.26417205.
Quick estimate
Multiplying by about 3.8 gets within 0.4% of the exact answer, which is enough to check that a result makes sense.
Where it comes up
Volume conversions come up in recipes, fuel economy, drink and bottle sizes, garden and pool water, and engine sizes.
| US gallons | liters |
|---|---|
| 1 gal | 3.785412 l |
| 2 gal | 7.570824 l |
| 3 gal | 11.356235 l |
| 4 gal | 15.141647 l |
| 5 gal | 18.927059 l |
| 6 gal | 22.712471 l |
| 7 gal | 26.497882 l |
| 8 gal | 30.283294 l |
| 9 gal | 34.068706 l |
| 10 gal | 37.854118 l |
| 11 gal | 41.63953 l |
| 12 gal | 45.424941 l |
| 13 gal | 49.210353 l |
| 14 gal | 52.995765 l |
| 15 gal | 56.781177 l |
| 16 gal | 60.566589 l |
| 17 gal | 64.352 l |
| 18 gal | 68.137412 l |
| 19 gal | 71.922824 l |
| 20 gal | 75.708236 l |
| 25 gal | 94.635295 l |
| 30 gal | 113.562354 l |
| 40 gal | 151.416471 l |
| 50 gal | 189.270589 l |
| 60 gal | 227.124707 l |
| 70 gal | 264.978825 l |
| 75 gal | 283.905884 l |
| 80 gal | 302.832943 l |
| 90 gal | 340.687061 l |
| 100 gal | 378.541178 l |
| 120 gal | 454.249414 l |
| 150 gal | 567.811768 l |
| 200 gal | 757.082357 l |
| 250 gal | 946.352946 l |
| 300 gal | 1,135.62 l |
| 400 gal | 1,514.16 l |
| 500 gal | 1,892.71 l |
| 750 gal | 2,839.06 l |
| 1,000 gal | 3,785.41 l |
| 1,500 gal | 5,678.12 l |
| 2,000 gal | 7,570.82 l |
| 5,000 gal | 18,927.06 l |
| 10,000 gal | 37,854.12 l |
Questions
How many liters are in a US gallon?
3.785412 liters.
How do I convert US gallons to liters in a spreadsheet?
Put the value in A1 and type =A1*3.785412, then fill the formula down the column.
Are the values in the table exact?
They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.