**Definitions:**

**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