The sunflower is 214 cm tall. Calculate the height of the sunflower in metres and millimetres. There are 100 centimetres in a metre. Metres are larger than centimetres so the number of centimetres ...

Length, time and volume are all examples of quantities close quantityA property that can exist as a magnitude, usually with a numerical value. For example, speed (quantity) is measured in metres per ...

Metrology is defined as the science of measurement. Metrology dates back to the ancient world, but modern metrology is derived from the politics French revolution, where the standardisation of units ...