Square Millimeters to Square Centimeters

Convert square millimeters (mm²) to square centimeters (cm²) with formulas, examples, and conversion tables.

mm²
cm²
1 square millimeters (mm²) = 0.01 square centimeters (cm²)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 square centimeter = 100 square millimeters
2Divide the value by the conversion factor:
1 ÷ 100 = 0.01
3Result:
1 square millimeters (mm²) = 0.01 square centimeters (cm²)

How to Convert square millimeters to square centimeters

To convert square millimeters to square centimeters, divide the value by 100.

The Formula

square centimeters = square millimeters ÷ 100

Key Fact

1 square centimeter = 100 square millimeters

Tip: To convert square centimeters back to square millimeters, multiply by 100.

square millimeters to square centimeters Table

square millimeterssquare centimeters
1 mm²0.01 cm²
2 mm²0.02 cm²
5 mm²0.05 cm²
10 mm²0.1 cm²
20 mm²0.2 cm²
25 mm²0.25 cm²
50 mm²0.5 cm²
100 mm²1 cm²
250 mm²2.5 cm²
500 mm²5 cm²
1000 mm²10 cm²

1 square millimeter in Other Units

Unit1 mm² =
Square Millimeters to Square Kilometers1e-12 km²
Square Millimeters to Hectares1e-10 ha
Square Millimeters to Square Meters1e-6
Square Millimeters to Square Centimeters0.01 cm²
Square Millimeters to Square Miles3.86102158593e-13 mi²
Square Millimeters to Acres2.47105163015e-10 ac
Square Millimeters to Square Yards1.19599056124e-6 yd²
Square Millimeters to Square Feet1.07639150512e-5 ft²
Square Millimeters to Square Inches0.00155000310001 in²
Square Millimeters to Ares1e-8 a
Square Millimeters to Barns1e22 b

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