Gallons to Kilograms (Water)

gal
kg/L
Conversion

Convert US gallons to kilograms. Uses water density; change the density for other liquids.

Formula

kg = gal × 3.785411784 × density (kg/L)
  • Water density = 1 kg/L at 4°C.
  • 1 US gallon = 3.785411784 L.

Gallons to Kilograms (Water) Example

Inputs
  • US Gallons: 1 gal
  • Density: 1 kg/L

1 gal × 3.7854 × 1 = 3.7854 kg

Frequently asked questions

How do I use the Gallons to Kilograms (Water)?
Enter the value in the input field and the result updates immediately.
How accurate is this converter?
Uses internationally recognised conversion factors. Results are rounded to the displayed decimal places.
Can I verify this manually?
Yes — apply the formula shown above step by step.