Gallons to Liters Converter
Convert gallons to liters (L) instantly using the formula L = gallons × 3.785411784. This page uses the U.S. liquid gallon. Includes a calculator, conversion table, worked examples, and FAQs.
Gallons to liters converter
Popular Searches
Common Gallons to Liters Conversions
These are the gallon to liter conversions people search for most often. This page uses the exact U.S. liquid gallon standard.
1 gallon to liters
1 gallon = 3.785411784 liters, commonly rounded to 3.785 L.
1.5 gallons to liters
1.5 gallons = 5.678117676 liters, commonly rounded to 5.678 L.
2 gallons to liters
2 gallons = 7.570823568 liters, commonly rounded to 7.571 L.
2.5 gallons to liters
2.5 gallons = 9.46352946 liters, commonly rounded to 9.464 L.
3 gallons to liters
3 gallons = 11.356235352 liters, commonly rounded to 11.356 L.
5 gallons to liters
5 gallons = 18.92705892 liters, commonly rounded to 18.927 L.
Half gallon to liters
0.5 gallon = 1.892705892 liters, commonly rounded to 1.893 L.
50 gallons to liters
50 gallons = 189.2705892 liters, commonly rounded to 189.271 L.
Quick Reference
Gallons to Liters Conversion Table
Common gallon to liter conversions at a glance. This page uses the U.S. liquid gallon, where 1 gallon = 3.785411784 L.
| Gallons | Calculation | Liters (L) |
|---|---|---|
| 1.5 gallons | 1.5 × 3.785411784 | 5.678 L |
| 2.5 gallons | 2.5 × 3.785411784 | 9.464 L |
| 5 gallons | 5 × 3.785411784 | 18.927 L |
| 50 gallons | 50 × 3.785411784 | 189.271 L |
| 1/8 gallon | 0.125 × 3.785411784 | 0.473 L |
| 1/4 gallon | 0.25 × 3.785411784 | 0.946 L |
| 1/3 gallon | 0.333333 × 3.785411784 | 1.262 L |
| 1/2 gallon | 0.5 × 3.785411784 | 1.893 L |
| 2/3 gallon | 0.666667 × 3.785411784 | 2.524 L |
| 3/4 gallon | 0.75 × 3.785411784 | 2.839 L |
| 1 gallon | 1 × 3.785411784 | 3.785 L |
| 1.5 gallons | 1.5 × 3.785411784 | 5.678 L |
| 2 gallons | 2 × 3.785411784 | 7.571 L |
| 3 gallons | 3 × 3.785411784 | 11.356 L |
| 4 gallons | 4 × 3.785411784 | 15.142 L |
| 8 gallons | 8 × 3.785411784 | 30.283 L |
| 12 gallons | 12 × 3.785411784 | 45.425 L |
| 16 gallons | 16 × 3.785411784 | 60.567 L |
Step-by-Step
How to Convert Gallons to Liters
Converting gallons to liters is easy once you use the correct gallon standard.
The Formula
A gallon is a common volume unit for liquid measurement, while a liter (L) is a metric unit of volume. On this page, the exact U.S. liquid gallon conversion factor is 3.785411784 liters per gallon.
To convert liters back to gallons, divide liters by 3.785411784.
How to Turn Gallons into Liters — Step by Step
Write down the gallon value
Identify the number of gallons you want to convert — for example, 2 gallons.
Multiply by 3.785411784
2 gallons × 3.785411784 = 7.570823568 L. This gives you the equivalent volume in liters.
Label your answer
Always write the unit (L) after the number so the result is clear and unambiguous.
Important Note
U.S. Gallon vs Imperial Gallon
This converter uses the U.S. liquid gallon, where 1 gallon = 3.785411784 liters.
An imperial gallon is different: 1 imperial gallon = 4.54609 liters. If you need imperial gallon to liters or imp gallon to liters, it is best to use a separate dedicated converter page.
Gallons vs Liters
What Is the Difference Between Gallons and Liters?
A gallon and a liter (L) are both units of volume. Gallons are often used for fuel, liquid storage, and large container measurements, while liters are metric units used internationally for beverages, liquids, and container sizes.
The relationship used on this page is: 1 U.S. gallon = 3.785411784 L. To convert gallons to liters, multiply the number of gallons by 3.785411784.
For example, 1/2 gallon = 1.893 L, 1 gallon = 3.785 L, and 2 gallons = 7.571 L.
Gallon sizes can vary by region, which is why it is helpful to know the standard being used. This converter uses the U.S. liquid gallon.
Worked Examples
Sample Gallon to Liter Calculations
Here is how to calculate gallons to liters for the most frequently searched values.
1/4 gallon to L
0.25 × 3.785411784 = 0.946 L. One quarter gallon equals about zero point nine four six liters.
1/3 gallon to L
0.333333 × 3.785411784 = 1.262 L. One third gallon equals about one point two six two liters.
1/2 gallon to L
0.5 × 3.785411784 = 1.893 L. Half a gallon equals about one point eight nine three liters.
3/4 gallon to L
0.75 × 3.785411784 = 2.839 L. Three quarters of a gallon equals about two point eight three nine liters.
1 gallon to L
1 × 3.785411784 = 3.785 L. One gallon equals about three point seven eight five liters.
2 gallons to L
2 × 3.785411784 = 7.571 L. Two gallons equals about seven point five seven one liters.
4 gallons to L
4 × 3.785411784 = 15.142 L. Four gallons equals about fifteen point one four two liters.
8 gallons to L
8 × 3.785411784 = 30.283 L. Eight gallons equals about thirty point two eight three liters.
FAQ
Frequently Asked Questions
Everything you need to know about converting gallons to liters.