This allows you to multiply two numbers with units, and it will tell you the resulting number and tell you the units.
Use it by entering the number first, then the inverted comma symbol (‘), then whatever units you want. Multiply units by separating them with a dot (.) and divide them by separating them with a slash (/).
For example, for 6 metres per second, you would write:
For 2 watts per square metre per second, you would write: