How to use this converter
Enter a value in us gallons to calculate liters. Results update as you type. You can swap the direction and choose the displayed precision.
Conversion formula
value × 3.785411784 = result
Here the starting unit is US gallons (gal) and the result is in Liters (L). The calculator uses the catalog’s full factors before rounding the displayed result.
Worked examples
- 1 gal ≈ 3.78541178 L
- 10 gal ≈ 37.85411784 L
- 100 gal ≈ 378.5411784 L
Available volume options
Liters (L) · US gallons (gal) · Milliliters (mL) · US cups (cup) · US fluid ounces (fl oz) · Cubic meters (m³) · Imperial gallons (imp gal) · US tablespoons (tbsp) · US teaspoons (tsp) · US pints (US pt) · US quarts (US qt) · Imperial pints (imp pt) · Imperial fluid ounces (imp fl oz) · Cubic feet (ft³) · Cubic inches (in³) · Cubic yards (yd³) · Oil barrels (42 US gal) (bbl) · Metric cups (250 mL) (metric cup)
Unit conventions
US liquid, imperial, and metric kitchen measures are labeled explicitly. Dry volumes have their own category.
Frequently asked questions
Why can displayed results differ slightly?
Numeric results are rounded for display. Increase the precision setting to see more digits. Different unit conventions can also produce different results; check the complete unit label.
Can I convert in the opposite direction?
Use the swap control to reverse the selected units or bases.
Related tools
All volume units · Browse all converters · liters to gallons · mL to cups · cups to mL