Convert Milliwatt per square centimetre to Watt per square inch
Convert Milliwatt per square centimetre (mW/cm²) to Watt per square inch (W/in²) instantly and accurately.
Conversion Formula
W/in² = mW/cm² × 0.0064516
About Milliwatt per square centimetre
The milliwatt per square centimetre (mW/cm²) equals exactly 10 W/m² (1 mW = 10⁻³ W; 1 cm² = 10⁻⁴ m²). Widely used in photonics, laser safety standards (IEC 60825), and UV dosimetry. Solar irradiance at Earth's surface ≈ 100 mW/cm². 1 mW/cm² = 10 W/m² = 0.001 W/cm².
About Watt per square inch
The watt per square inch (W/in²) equals 1/(6.4516×10⁻⁴) ≈ 1550.003 W/m² (1 in = 0.0254 m). Used in US electronics thermal management for PCB power density, semiconductor die heat flux, and power module ratings. 1 W/in² ≈ 1550 W/m² ≈ 0.155 W/cm².
Quick Reference Table
| Milliwatt per square centimetre (mW/cm²) | Watt per square inch (W/in²) |
|---|---|
| 1 mW/cm² | 0.0064516 W/in² |
| 2 mW/cm² | 0.0129032 W/in² |
| 5 mW/cm² | 0.032258 W/in² |
| 10 mW/cm² | 0.064516 W/in² |
| 25 mW/cm² | 0.16129 W/in² |
| 50 mW/cm² | 0.32258 W/in² |
| 100 mW/cm² | 0.64516 W/in² |