Kilograms (water) to Litres (water) (kg to L)

1 kg = 1 L. Multiply kilograms (water) by 1; the box below does it both ways.

litres (water)5 L

5 kg = 5 L · litres (water) to kilograms (water) page

How to convert kilograms (water) to litres (water)

  1. Take the value in kilograms (water).
  2. Multiply by 1 (because 1 kg = 1 L).
  3. Example: 5 kg × 1 = 5 L.
  4. Going back: divide by 1, or multiply by 1.

Where this comes up

For water 1 kg is 1 L. A 15 kg LPG cylinder is not 15 L: liquid LPG is about 0.55 kg per litre, so it holds roughly 27 L. Use this page for water, milk and other watery liquids only.

Kilograms (water) to litres (water) reference table
kgL
0.50.5
11
22
55
1010
1515
2020
2525
5050
100100
500500
1,0001,000

Questions people ask

How many litres (water) are in 1 kilogram of water?

1 kg = 1 L. To convert, multiply the kilogram of water value by 1.

What is 20 kg in L?

20 kg is 20 L.

How do I convert litres (water) back to kilograms (water)?

Divide by 1, or multiply by 1: 1 L = 1 kg.

Does this work for oil, milk or flour?

Only approximately. The page assumes the density of water (1 g per ml). Milk is 1.03, cooking oil 0.92, honey 1.42, scooped flour about 0.55, so for anything thick, oily or powdered, weigh it instead.

More volume to weight (water) conversions

Litres (water) to Kilograms (water) (L to kg) · ml to g · g to ml · all converters

Factors are the exact international definitions at the density of water; last checked 2026-10-10.