Square Feet to Square Millimeters Conversion (sq ft to sq mm)

Square Feet to Square Millimeters Converter

Enter the area in square feet below to convert it to square millimeters.

Result in Square Millimeters:

1 sq ft = 92,903.04 sq mm
1 sq ft = 929.0304 sq cm

How to Convert Square Feet to Square Millimeters

To convert a measurement in square feet to a measurement in square millimeters, multiply the area by the following conversion ratio: 92,903.04 square millimeters/square foot.

Since one square foot is equal to 92,903.04 square millimeters, you can use this simple formula to convert:

square millimeters = square feet × 92,903.04

The area in square millimeters is equal to the area in square feet multiplied by 92,903.04.

For example, here's how to convert 5 square feet to square millimeters using the formula above.

square millimeters = (5 sq ft × 92,903.04) = 464,515.2 sq mm

How Many Square Millimeters Are in a Square Foot?

There are 92,903.04 square millimeters in a square foot, which is why we use this value in the formula above.

1 sq ft = 92,903.04 sq mm

Square feet and square millimeters are both units used to measure area. Keep reading to learn more about each unit of measure.

What Is a Square Foot?

One square foot is equivalent to the area of a square with sides that are each 1 foot in length.^[1] One square foot is equal to 144 square inches or 0.092903 square meters .

The square foot is a US customary and imperial unit of area. A square foot is sometimes also referred to as a square ft. Square feet can be abbreviated as sq ft, and are also sometimes abbreviated as ft². For example, 1 square foot can be written as 1 sq ft or 1 ft².

You can use a square footage calculator to calculate the area of a space if you know its dimensions.

Learn more about square feet.

What Is a Square Millimeter?

One square millimeter is equivalent to the area of a square with edges that are each 1 millimeter in length. One square millimeter is equal to 0.00155 square inches or 1/100 of a square centimeter.

The square millimeter, or square millimetre, is a multiple of the square meter, which is the SI derived unit for area. In the metric system, "milli" is the prefix for thousandths, or 10^-3. A square millimeter is sometimes also referred to as a square mm. Square millimeters can be abbreviated as sq mm, and are also sometimes abbreviated as mm². For example, 1 square millimeter can be written as 1 sq mm or 1 mm².

Learn more about square millimeters.

Square Foot to Square Millimeter Conversion Table

Table showing various square foot measurements converted to square millimeters.
Square Feet	Square Millimeters
0.0001 sq ft	9.2903 sq mm
0.0002 sq ft	18.58 sq mm
0.0003 sq ft	27.87 sq mm
0.0004 sq ft	37.16 sq mm
0.0005 sq ft	46.45 sq mm
0.0006 sq ft	55.74 sq mm
0.0007 sq ft	65.03 sq mm
0.0008 sq ft	74.32 sq mm
0.0009 sq ft	83.61 sq mm
0.001 sq ft	92.9 sq mm
0.002 sq ft	185.81 sq mm
0.003 sq ft	278.71 sq mm
0.004 sq ft	371.61 sq mm
0.005 sq ft	464.52 sq mm
0.006 sq ft	557.42 sq mm
0.007 sq ft	650.32 sq mm
0.008 sq ft	743.22 sq mm
0.009 sq ft	836.13 sq mm
0.01 sq ft	929.03 sq mm
0.02 sq ft	1,858 sq mm
0.03 sq ft	2,787 sq mm
0.04 sq ft	3,716 sq mm
0.05 sq ft	4,645 sq mm
0.06 sq ft	5,574 sq mm
0.07 sq ft	6,503 sq mm
0.08 sq ft	7,432 sq mm
0.09 sq ft	8,361 sq mm
0.1 sq ft	9,290 sq mm
0.2 sq ft	18,581 sq mm
0.3 sq ft	27,871 sq mm
0.4 sq ft	37,161 sq mm
0.5 sq ft	46,452 sq mm
0.6 sq ft	55,742 sq mm
0.7 sq ft	65,032 sq mm
0.8 sq ft	74,322 sq mm
0.9 sq ft	83,613 sq mm
1 sq ft	92,903 sq mm

Table showing various square foot measurements converted to square millimeters.

Square Feet

Square Millimeters

0.0001 sq ft

9.2903 sq mm

0.0002 sq ft

18.58 sq mm

0.0003 sq ft

27.87 sq mm

0.0004 sq ft

37.16 sq mm

0.0005 sq ft

46.45 sq mm

0.0006 sq ft

55.74 sq mm

0.0007 sq ft

65.03 sq mm

0.0008 sq ft

74.32 sq mm

0.0009 sq ft

83.61 sq mm

0.001 sq ft

92.9 sq mm

0.002 sq ft

185.81 sq mm

0.003 sq ft

278.71 sq mm

0.004 sq ft

371.61 sq mm

0.005 sq ft

464.52 sq mm

0.006 sq ft

557.42 sq mm

0.007 sq ft

650.32 sq mm

0.008 sq ft

743.22 sq mm

0.009 sq ft

836.13 sq mm

0.01 sq ft

929.03 sq mm

0.02 sq ft

1,858 sq mm

0.03 sq ft

2,787 sq mm

0.04 sq ft

3,716 sq mm

0.05 sq ft

4,645 sq mm

0.06 sq ft

5,574 sq mm

0.07 sq ft

6,503 sq mm

0.08 sq ft

7,432 sq mm

0.09 sq ft

8,361 sq mm

0.1 sq ft

9,290 sq mm

0.2 sq ft

18,581 sq mm

0.3 sq ft

27,871 sq mm

0.4 sq ft

37,161 sq mm

0.5 sq ft

46,452 sq mm

0.6 sq ft

55,742 sq mm

0.7 sq ft

65,032 sq mm

0.8 sq ft

74,322 sq mm

0.9 sq ft

83,613 sq mm

1 sq ft

92,903 sq mm

References

Merriam-Webster, square foot, https://www.merriam-webster.com/dictionary/square%20foot