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 68.72 feet?
As;
1 feet = 304.8 millimeters
68.72 feet = Y millimeters
Assuming Y is the answer, and by criss-cross principle;
Y equals 68.72 times 304.8 over 1
(i.e.) Y = 68.72 * 304.8 / 1 = 20945.856 millimeters
Answer is: 20945.856 millimeters are equivalent to 68.72 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 ) 98.65 ft
( ii ) 4.52 ft
( iii ) 98.65 ft
