How many gallons is 1 kg of water?
At 1 kg/L, it is 1 liter or about 0.264172 US gallon.
Kilograms to Gallons Converter
Find US liquid gallons from mass and density.
Enter mass and density
Use the liquid density at the relevant temperature when accuracy matters.
About this converter
How to use Kilograms to Gallons Converter, plus the formulas and logic behind the results.
Tool description
Mass cannot be converted to volume without density. For water near ordinary conditions, 1 kg is approximately 1 liter.
How to use
- Enter kilograms.
- Select the liquid or Custom.
- Enter custom kg/L if needed.
- Calculate liters and US gallons.
Formulas & reference
liters = kilograms ÷ density (kg/L)US gallons = liters ÷ 3.785411784
Quick reference
- liters = kilograms ÷ density (kg/L)
- US gallons = liters ÷ 3.785411784
Calculation logic
The mass is divided by density to obtain liters, then liters are divided by 3.785411784 for US gallons.
Results use standard stated conversion factors and may be rounded for display.
Kilograms to Gallons Converter FAQ
Common questions about this conversion and how to interpret the result.
Why is density required?
Kilograms measure mass while gallons measure volume.
Does temperature matter?
Yes. Liquid density can change with temperature.
Does this use US gallons?
Yes. One US gallon is 3.785411784 liters.
Can I convert milk or gasoline?
Yes, presets are provided as approximate densities.
Can I enter laboratory density?
Yes. Choose Custom and enter kg/L.