kg to Liter Converter

Created by AbdulRafay Moeen
Reviewed by Dominik Czernia, PhD candidate
Last updated: Mar 14, 2022

Welcome to our kg to liter weight converter. By using this tool, you can quickly find how many kilograms equal liters and vice versa for everyday liquids.

Wondering how many liters equal 1 kg of water? Continue reading to find out where we share the formula to convert kilograms to liters using the density of the liquid, e.g., water.

⚠️ This tool is the kg to liter conversion calculator for liquids specifically. If you want the liter to kg conversion for gases or solids, check out our volume to mass calculator.

Kg to liters converter

Here's how to convert kg to liter using our converter, select the liquid you wish to convert, and enter the number of kilograms in the weight field to obtain the volume in liters for that liquid.

Alternatively, if you want to use our weight converter for liter to kg, enter the number of liters in volume for the selected liquid, and you will receive its weight in kilograms.

To give you an example, select honey 🍯 and convert 1 liter of it to kg. You'll get 1.42 kilograms of honey.

💡 Though 1 liter of water equals 1 kg, 1 liter of milk equals 1.03 kg.

Next, we'll tell you the formula of how to convert kg to a liter or vice versa.

Formula for converting kg to liter using density

To convert liters to kg using density, we use the following formula:

  • kg = liter × density.

Similarly, we can rewrite the formula to convert kg to liters:

  • liter = kg / density

To use these formulas, we need to know the density, i.e., the ratio of the mass to volume for liquid we wish to convert.

Using butter 🧈 with a density of 0.959 kg/l, let's convert 5 liters to kg as an example:

Placing the values, we get:

  • weight of butter = 5 liters × 0.959 density
  • weight of butter = 4.80 kg

Now you know how to convert 5 liters to kg.


How many liters of water is equal to 1 kg?

1 kilogram of pure water equals 1 liter when reaching its maximum density of 1 kg/l, at the temperature of 39.2 °F or 4 °C. For higher temperatures, 1 kg of water is slightly more than 1 liter. For example, 1 kg of water equals about 1.002 liters at room temperature.

Is kilogram equal to liter?

A kilogram is only equal to a liter when the density of the material is 1 kg/l, such as for pure water. To convert kg into liter, divide the weight of the material by its density:

liter = weight / density

Be sure to check the units of all your variables.

How do I convert kg to liter formula into liter to kg?

To convert kg to liters formula:

  1. Multiply the density of the liquid by its liter quantity, i.e.:
  • kg = liter × density
  1. Be sure to express density in kg per liters to convert kg to liters correctly.
  2. To find liter from kg, divide the weight quantity by the density of the liquid, i.e.:
  • liter = kg / density
AbdulRafay Moeen
Fresh water
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