# Convert Millimeter Square to Foot Square (mm2 to ft2)

In next fields, kindly type your value in the text box under title [ From: ] to convert from millimeter square to foot square (mm2 to ft2). As you type your value, the answer will be automatically calculated and displayed in the text box under title [ To: ].

**Definitions:**

**Millimeter Square** (abbreviation: **mm2**): is the SI derived unit of area. It is the area of a square whose sides measure exactly one millimeter. The square millimeter is derived from the SI base unit of the metre, which itself is the length of the path travelled by light in absolute vacuum within time interval of 1/299,792,458 * 1/1000 of a second.

**Foot Square** (abbreviations: **ft2, or sf, or sq ft**): (plural square feet) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area.

## How to Convert Millimeters Square to Feet Square

*Example: How many feet square are equivalent to 69.75 millimeters square?*

As;

1 millimeters square = 1.1E-5 feet square

69.75 millimeters square = Y feet square

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

Y equals 69.75 times 1.1E-5 over 1

(i.e.) Y = 69.75 * 1.1E-5 / 1 = 0.00076725 feet square

Answer is: 0.00076725 feet square are equivalent to 69.75 millimeters square.

*Practice Question: Convert the following units into ft2:*

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

( i ) 1.55 mm2

( ii ) 84.44 mm2

( iii ) 47.84 mm2