Square Centimeters to Square Millimeters

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

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

How to Convert square centimeters to square millimeters

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

The Formula

square millimeters = square centimeters × 100

Key Fact

1 square centimeter = 100 square millimeters

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

square centimeters to square millimeters Table

square centimeterssquare millimeters
1 cm²100 mm²
2 cm²200 mm²
5 cm²500 mm²
10 cm²1000 mm²
20 cm²2000 mm²
25 cm²2500 mm²
50 cm²5000 mm²
100 cm²10000 mm²
250 cm²25000 mm²
500 cm²50000 mm²
1000 cm²100000 mm²

1 square centimeter in Other Units

Unit1 cm² =
Square Centimeters to Square Kilometers1e-10 km²
Square Centimeters to Hectares1e-8 ha
Square Centimeters to Square Meters0.0001
Square Centimeters to Square Millimeters100 mm²
Square Centimeters to Square Miles3.86102158593e-11 mi²
Square Centimeters to Acres2.47105163015e-8 ac
Square Centimeters to Square Yards0.000119599056124 yd²
Square Centimeters to Square Feet0.00107639150512 ft²
Square Centimeters to Square Inches0.155000310001 in²
Square Centimeters to Ares1e-6 a
Square Centimeters to Barns1e24 b

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