A human fingernail (natural) is about 1 cm in length. Bigger items, such as cars, are measured in cms.
You can measure centimetres with a ruler
That is nonsense. Centimetres are a measure of length and distance. Cubic centimetres are a measure of volume. That is not the same.
your but
Litres are a measure of volume. Centimetres are a measure of length. Therefore you can't have litres in centimetres.
The units are incompatible. Centimetres measure linear distance, millilitres measure volume.
Surface area of shapes can be measured in square centimetres
Tape-measure or metering rule.
There is no way that litres can equal centimetres because litres measure volume. Centimetres measure length.
12x4=48cm^2
Centimetres is a measure of LENGTH,- how long or wide something is. It can not be equated to volume
Centimetres or cm are used to measure distance
Centimetres.