Quick Answer: 1 US gallon = 3.785 liters. 1 UK (Imperial) gallon = 4.546 liters
Need to convert gallons to liters? If you’re cooking, filling up a tank, or just solving a math problem, this simple calculator will do the trick.
Learn how to convert gallons to liters with our simple online tool easily. Understand the importance of accurate conversions and try our step-by-step guide to build your converter.
Enter gallons below and hit convert. Thatโs it.
Unit Converter
๐ Use the Unit Converter Tool
Need to convert more than just gallons to liters? Our Unit Converter makes it super easy.
Just choose a Conversion Type from the dropdown menu, such as:
- Gallons to Liters (for fuel, cooking, or storage needs)
- Liters to Gallons (helpful when you’re switching back from metric to imperial)
- Miles to Kilometers or Kilometers to Miles (great for road trips or fitness tracking)
- Pounds to Kilograms or Kilograms to Pounds (perfect for weight conversions while traveling or meal prepping)
Once you select the conversion you need, enter a number, and the result will appear right below.
โ Fast, simple, and no math required!
๐ Quick Conversion Table
| Gallons (US) | Liters |
|---|---|
| 1 | 3.785 |
| 2 | 7.571 |
| 5 | 18.927 |
| 10 | 37.854 |
| 20 | 75.708 |
| 50 | 189.27 |
๐ US Gallon vs UK Gallon: What’s the Difference?
Not all gallons are created equal. Here’s a breakdown:
| Type | Liters per Gallon | Commonly Used In |
|---|---|---|
| US Gallon | 3.785 L | United States |
| UK Gallon | 4.546 L | UK, Canada, some Caribbean countries |
Why the difference? The US gallon is based on the old English wine gallon (231 cubic inches). The UK switched to the Imperial system in 1824, which changed the gallon size.
Easily Convert Gallons to Liters with Our Simple Calculator
When working with different units of measurement, it’s often necessary to convert between them to ensure accuracy. One such common conversion is from gallons to liters. Whether you’re a student, a professional, or someone who needs to make these conversions, having a reliable tool can make your life much easier.
Why Convert Gallons to Liters (gal to L)?
Gallons and liters are volume units used worldwide. The gallon is commonly used in the United States, while the liter is used in most other countries. Understanding and converting between these units is essential for various activities such as cooking, fuel measurement, and scientific experiments.
๐ Why Convert Gallons to Liters?
Different countries use different volume units.
Hereโs what you need to know:
- US gallon is common in the United States
- Liter is the standard almost everywhere else (Europe, Canada, Australia)
- If you’re following a recipe, buying fuel, or importing products, knowing the conversion is super helpful
FAQs
Bookmark this page or share it with someone who works with both metric and imperial systems. It saves time and avoids costly mix-ups (especially in recipes or fuel orders!).






