How to Convert Millimeters to Meter Squared

How to Convert Millimeters to Meter Squared
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You can convert millimeters to meters squared if you have the measurements of an area in millimeters. Millimeters and meters squared are both units that are used in the metric system of measurement. One thousand millimeters are equivalent to one meter. Because millimeters are a measure of distance, and meters squared are a measure of area, you must have the measurements of the length and width of an area to convert millimeters to meters squared.

    Measure the length of the area in millimeters. For example, say you have a rectangle that is 450 millimeters long. Record this value.

    Measure the width of the area in millimeters. For example, say the rectangle is 300 millimeters wide. Record this value.

    Multiply the measurements from Step 1 and Step 2 together to find the area, because

    \text{area}=\text{length}\times\text{width}

    In this case, work out:

    450\times 300 = 135,000

    Record the result.

    Divide the result from Step 3 by 1,000,000 because one meter squared is equal to 1,000,000 millimeters squared. Work out

    \frac{135,000}{1,000,000}=0.135

    The rectangle is 0.135 meters squared.

    Things You'll Need

    • Metric ruler
    • Writing utensil (e.g. pencil)
    • Paper
    • Calculator (optional)

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