It’s an old standard carpentry measuring trick ... The key is to select a measurement that’s easily divisible by the number ...

1 metre is longer than 1 centimetre, so to convert from metres to centimetres, multiply by 100. 1 millimetre is shorter than 1 centimetre so to convert from millimetres to centimetres, divide by ...

Ancient Greeks developed sophisticated units of measurement ranging from measuring length, distance, volume, and weight of solids and liquids ...