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Standard and non-standard units

non-standard units Standard units

Jar  Millilitre (mL)
 Litre (L)
Cup  Kilolitre (kL)

We have learnt about the non-standard units of capacity in the previous class. Here
we shall learn about the standard units.

Millilitre

Small quantities of liquids are measured in millilitres
(mL). For example, a cup of tea, medicine, a glass
of water, etc. are measured in mL.

Litre 50 mL 100 mL 150 mL
Large quantities of liquids are measured in litres (L). For example, water in a large

can, a bath tub full of water, a drum of oil, etc. are measured in L.

Oil

20 L 150 L 12 L
Vessels of different sizes used to measure different quantities of liquid are shown
below.

50 mL 100 mL 200 mL 500 mL 1 L

172 Mathematics 3