Square Meters to Square Millimeters Conversion (sq m to sq mm)

Square Meters to Square Millimeters Converter

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

Result in Square Millimeters:

1 sq m = 1,000,000 sq mm
1 sq m = 10,000 sq cm

How to Convert Square Meters to Square Millimeters

To convert a measurement in square meters to a measurement in square millimeters, multiply the area by the following conversion ratio: 1,000,000 square millimeters/square meter.

Since one square meter is equal to 1,000,000 square millimeters, you can use this simple formula to convert:

square millimeters = square meters × 1,000,000

The area in square millimeters is equal to the area in square meters multiplied by 1,000,000.

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

square millimeters = (5 sq m × 1,000,000) = 5,000,000 sq mm

conversion scale showing square meters and equivalent square millimeters area values

How Many Square Millimeters Are in a Square Meter?

There are 1,000,000 square millimeters in a square meter, which is why we use this value in the formula above.

1 sq m = 1,000,000 sq mm

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

What Is a Square Meter?

One square meter is equivalent to the area of a square with sides that are each 1 meter in length.^[1] One square meter is equal to 10.76391 square feet or 10,000 square centimeters.

The square meter, or square metre, is the SI derived unit for area in the metric system. A square meter is sometimes also referred to as a square m. Square meters can be abbreviated as sq m, and are also sometimes abbreviated as m². For example, 1 square meter can be written as 1 sq m or 1 m².

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

Learn more about square meters.

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 Meter to Square Millimeter Conversion Table

Table showing various square meter measurements converted to square millimeters.
Square Meters	Square Millimeters
0.000001 sq m	1 sq mm
0.000002 sq m	2 sq mm
0.000003 sq m	3 sq mm
0.000004 sq m	4 sq mm
0.000005 sq m	5 sq mm
0.000006 sq m	6 sq mm
0.000007 sq m	7 sq mm
0.000008 sq m	8 sq mm
0.000009 sq m	9 sq mm
0.0000001 sq m	0.1 sq mm
0.000001 sq m	1 sq mm
0.00001 sq m	10 sq mm
0.0001 sq m	100 sq mm
0.001 sq m	1,000 sq mm
0.01 sq m	10,000 sq mm
0.1 sq m	100,000 sq mm
1 sq m	1,000,000 sq mm

Table showing various square meter measurements converted to square millimeters.

Square Meters

Square Millimeters

0.000001 sq m

1 sq mm

0.000002 sq m

2 sq mm

0.000003 sq m

3 sq mm

0.000004 sq m

4 sq mm

0.000005 sq m

5 sq mm

0.000006 sq m

6 sq mm

0.000007 sq m

7 sq mm

0.000008 sq m

8 sq mm

0.000009 sq m

9 sq mm

0.0000001 sq m

0.1 sq mm

0.000001 sq m

1 sq mm

0.00001 sq m

10 sq mm

0.0001 sq m

100 sq mm

0.001 sq m

1,000 sq mm

0.01 sq m

10,000 sq mm

0.1 sq m

100,000 sq mm

1 sq m

1,000,000 sq mm

References

Collins Dictionary, Definition of 'square meter', https://www.collinsdictionary.com/us/dictionary/english/square-meter