Answer:
hectometer to millimeter converter. First of all just type the hectometer (hm) value in the text field of the conversion form to start converting hm to mm, then select the decimals value and finally hit convert button if auto calculation didn't work. Millimeter value will be converted automatically as you type.
The decimals value is the number of digits to be calculated or rounded of the result of hectometer to millimeter conversion.
Step-by-step explanation:
hope it helps!
