# Unit Converter / Calculator (Length, Mass, ...)

The calculator converts between basic units. % is a special prefix expressing units conversion. Try to input the below text in the header form.

%m 3km


The calculator will show 3000.0 m. %m means the unit of result is m. If multiple values are input, the calculator automatically sum them and convert. So if you input

%m 3km 740yd


in the form, the sum of 3km and 740yard is converted to m unit.

Result:

3676.656 m