Convert Watt per square centimetre to Watt per square inch

Convert Watt per square centimetre (W/cm²) to Watt per square inch (W/in²) instantly and accurately.

Watt per square centimetre (W/cm²)
Watt per square inch (W/in²)

Conversion Formula

W/in² = W/cm² × 6.4516

About Watt per square centimetre

The watt per square centimetre (W/cm²) equals exactly 10⁴ W/m². A practical unit in laser physics, plasma engineering, and nuclear thermal hydraulics. Nuclear fuel cladding heat flux ≈ 1-5 W/cm²; laser diodes ≈ 10-100 W/cm²; focused CO₂ laser cutting ≈ 10⁴ W/cm². 1 W/cm² = 10⁴ W/m² = 10 kW/m².

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

Watt per square centimetre (W/cm²)Watt per square inch (W/in²)
1 W/cm²6.4516 W/in²
2 W/cm²12.9032 W/in²
5 W/cm²32.258 W/in²
10 W/cm²64.516 W/in²
25 W/cm²161.29 W/in²
50 W/cm²322.58 W/in²
100 W/cm²645.16 W/in²

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