How to Convert Millimeters to Meter Squared
- 1). Measure the length of the area in millimeters.
- 2). Measure the width of the area in millimeters.
- 3). Multiply the measurements from Step 1 and Step 2 together, and record the result.
- 4). Divide the result from Step 3 by 1000. The result is the number of meters squared.