Convert Foot to Millimeter (ft to mm)

In next fields, kindly type your value in the text box under title [ From: ] to convert from foot to millimeter (ft to mm). As you type your value, the answer will be automatically calculated and displayed in the text box under title [ To: ].


Foot (abbreviation: ft): (plural feet) is a unit of length in the imperial and US customary systems of measurement. Since 1959, both units have been accepted equivalent to exactly 0.3048 meters by international agreement.

Millimeter (abbreviation: mm): is a unit of length in the SI metric system, equal to one thousandth of a metre. Therefore, there are thousand millimetres in a metre and ten millimetres in a centimetre.

How to Convert Feet to Millimeters

Example: How many millimeters are equivalent to 58.16 feet?


1 feet = 304.8 millimeters

58.16 feet = Y millimeters

Assuming Y is the answer, and by criss-cross principle;

Y equals 58.16 times 304.8 over 1

(i.e.) Y = 58.16 * 304.8 / 1 = 17727.168 millimeters

Answer is: 17727.168 millimeters are equivalent to 58.16 feet.

Practice Question: Convert the following units into mm:

N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.

( i ) 17.16 ft

( ii ) 19.61 ft

( iii ) 60.63 ft

Convert Foot to More Length Units

  • Wikipedia
  • USMA
  • NIST
× Close
Want to Enable Key Features? Create a Free Account.