Gallons to Liters
US gallons to liters converter: multiply by 3.7854 (1 gal = 3.7854 L). Includes a reference table, sample calculations and the inverse ratio 0.26417.
Did this tool work for you?
How US gallons convert to liters
One US gallon corresponds to 3.785411784 liters here. That single figure is the whole conversion: take the number of US gallons, multiply by 3.785411784, and the product is the number of liters.
The ratio works in both directions: multiply by 3.785411784 to go from US gallons to liters, or multiply by 0.26417205 to go from liters back to US gallons.
Quick lookup: US gallons in liters
The table below lists 12 amounts of US gallons next to the matching liters. The amounts were picked to suit a ratio of 3.785411784, so the results stay easy to read.
| US gallons (gal) | Liters (L) |
|---|---|
| 0.5 | 1.892705892 |
| 1 | 3.785411784 |
| 2 | 7.570823568 |
| 5 | 18.92705892 |
| 10 | 37.85411784 |
| 20 | 75.70823568 |
| 25 | 94.6352946 |
| 50 | 189.2705892 |
| 100 | 378.5411784 |
| 250 | 946.352946 |
| 500 | 1,892.705892 |
| 1,000 | 3,785.411784 |
Values in the L column are shown the way the converter shows them, with a limited number of significant digits.
Worked examples for US gallons to liters
With 65 gal, the multiplication by 3.785411784 produces 246.051766 L once rounded the way the widget rounds.
A second amount, 3.5 US gallons, becomes 13.24894124 liters. Converting that result in the opposite direction recovers about 3.5 gal.
Example 3. Starting from the other unit, 420 L is 110.952262 gal, since 1 L = 0.26417205 gal.
The reverse: liters to US gallons
To start from liters instead, open Liters to Gallons. For that direction 1 L = 0.26417205 gal, and its reference table is built around liters as the input.
For other combinations, the Volume Converter offers every unit in one pair of dropdowns.
Other conversions in this family
These pages cover neighbouring unit pairs from the same converter.
Frequently asked questions
How many L make up 1 gal?
Each US gallon corresponds to 3.785411784 liters, which means 37.85411784 liters for 10 US gallons and 378.5411784 liters for 100 US gallons.
What is 1 L in gal?
Each liter corresponds to 0.26417205 US gallons; scaled up by 10, that is 2.641720524 gal.
How do I convert 24 gal to L?
The result is 90.84988282 L. The widget scales the gal figure by 3.785411784 and trims the digits shown.
How does the converter round results?
The widget calculates with ordinary floating-point numbers and only rounds what it displays. Results of 1 or more show up to 10 significant digits, results below 1 show up to 8, and results from 1,000 upward show up to 6 decimal places with thousands separators. As an example, 0.123456789 gal displays as 0.46733478 L and 1,234.5678 gal displays as 4,673.347498 L.
Where does the gal to L result come from?
Behind the scenes, US gallons and liters are each tied to the same base unit by a stored factor. The ratio of those factors, 3.785411784, is what turns an gal value into a L value.
What is the reverse of gal to L?
Reversing the pair: multiply by 0.26417205, or equivalently divide by 3.785411784. The page titled "Liters to Gallons" covers it, or you can press the swap button in the widget above. Example: 25 L = 6.604301309 gal.
Learn more from an authoritative source:
NISTArea Converter
Convert between square metres, square feet, acres, hectares, square kilometres, and more.
Speed Converter
Convert between km/h, mph, m/s, knots, and Mach number instantly.
Time Unit Converter
Convert between seconds, minutes, hours, days, weeks, months, and years instantly.
Data Storage Converter
Convert between bits, bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes.
Pressure Converter
Convert between pascals, bar, PSI, atmospheres, torr, and other pressure units.
Energy Converter
Convert between joules, kilocalories, kilowatt-hours, BTU, electronvolts, and other energy units.
Results are estimates for informational purposes only and do not constitute professional financial, medical, legal, or technical advice. Read full disclaimer →