Convert Square Thou to Square Centimeters
Convert Square Thou (thou²) to Square Centimeters (cm²) instantly and accurately.
Conversion Formula
cm² = thou² × 6.451600000e-6
About Square Thou
A square thou (thou²), sometimes called a square mil, is the area of a square with sides of one thousandth of an inch (0.0254 mm), equal to approximately 6.452 × 10⁻¹⁰ m². This tiny imperial unit is indispensable in precision engineering, PCB (printed circuit board) design, and manufacturing, where conductor widths, dielectric coating thicknesses, and tight machining tolerances are specified in thou. Wire insulation, thin films, and precision-stamped metal components are commonly described using this unit.
About Square Centimeters
A square centimeter (cm²) is a metric unit of area equal to a square with sides of one centimeter (10 mm × 10 mm). It is widely used for measuring moderate-sized surfaces like postage stamps, credit cards, or smartphone screens. A standard credit card has an area of about 46 cm². This unit is common in everyday crafts, school science, and smaller construction projects where precision matters but square meters would be too large.
Quick Reference Table
| Square Thou (thou²) | Square Centimeters (cm²) |
|---|---|
| 1 thou² | 6.452 × 10-6 cm² |
| 2 thou² | 1.29 × 10-5 cm² |
| 5 thou² | 3.226 × 10-5 cm² |
| 10 thou² | 6.452 × 10-5 cm² |
| 25 thou² | 0.00016129 cm² |
| 50 thou² | 0.00032258 cm² |
| 100 thou² | 0.00064516 cm² |