Compare and convert metric units of volume

  • Metric units of volume include milliliters (mL), liters (L), and kiloliters (kL).
  • 1 liter (L) = 1,000 milliliters (mL).
  • 1 kiloliter (kL) = 1,000 liters (L).
  • To convert from milliliters (mL) to liters (L), divide by 1,000. Example: 500 mL = 0.5 L.
  • To convert from liters (L) to milliliters (mL), multiply by 1,000. Example: 2 L = 2,000 mL.
  • To convert from kiloliters (kL) to liters (L), multiply by 1,000. Example: 3 kL = 3,000 L.
  • To convert from liters (L) to kiloliters (kL), divide by 1,000. Example: 4,000 L = 4 kL.
  • When comparing volumes, larger units (kL) represent bigger amounts than smaller units (mL).
  • Example: 2 kL > 2 L and 2 L > 2 mL.
  • A bottle that holds 1 liter of water is larger than a container that holds 200 milliliters.
  • A swimming pool may be measured in kiloliters, while a glass of juice is measured in milliliters.

Learn with an example


_______ kilolitres = 1,000 litres

1 kilolitre = 1,000 litres

  • 1 kilolitre
  • 1,000 litres
  • neither; they are equal

1,000 litres and 1 kilolitre are the same. They are equal.

  • 1 kilolitre
  • 1,210 litres
  • neither; they are equal

1 kilolitre is the same as 1,000 litres. 1,210 litres is more than 1,000 litres.

1,210 litres is more than 1 kilolitre.

Let’s practice!