📐 cm² → mm² Converter
Translate small metric surface areas into finer or coarser units.
Ideal for PCB layouts, packaging design, and lab work when surface areas recorded in cm² must be expressed in mm² or m².
Square millimeters: 1,000 mm²
Square meters: 0 m²
How to Use This Calculator
Enter cm²
Provide the area you recorded in square centimeters.
Review mm²
The converter multiplies by 100 to produce square millimeters.
Check m²
Square meters offer a broader context for the same area.
Formula
mm² = cm² × 100
m² = cm² ÷ 10,000
Use the formula breakdown to confirm the calculation logic or perform the conversion manually if needed.
Full Description
Square centimeters sit between square millimeters and square meters in the SI system. This converter helps you move fluidly between them so your drawings, BOMs, and reports stay consistent.
It relies on the shared area conversion utilities, guaranteeing alignment with other area calculators in the app.
Frequently Asked Questions
How many mm² in a cm²?
100 mm² in 1 cm².
Can I convert mm² back to cm²?
Divide square millimeters by 100 to recover square centimeters.
Does it handle decimals?
Yes. Enter decimal cm² values for precise conversions.
What about square inches?
Use the square area converter to translate between cm² and in².