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 35.1 feet?
As;
1 feet = 304.8 millimeters
35.1 feet = Y millimeters
Assuming Y is the answer, and by criss-cross principle;
Y equals 35.1 times 304.8 over 1
(i.e.) Y = 35.1 * 304.8 / 1 = 10698.48 millimeters
Answer is: 10698.48 millimeters are equivalent to 35.1 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 ) 67.7 ft
( ii ) 76.97 ft
( iii ) 86.22 ft