PDF chapter test TRY NOW
We use different unit measures for different sizes.
Size | Metric unit for length | Metric unit for weight | Metric unit for volume |
Large ones | Kilometre | Kilogram | Kilolitre |
Medium ones | Metre | Gram | Litre |
Small ones | Centimetre | Centigram | Centilitre |
Very small ones | Millimetre | Milligram | Millilitre |
The easy way to remember unit conversion is conversion stairs.

Important!
1. To convert higher unit to lower unit multiply the given measures by the powers of 10's.
2. To convert lower unit to higher unit divide the given measures by the powers of 10's.