Convert Watt per square inch to Kilowatt per square metre

Convert Watt per square inch (W/in²) to Kilowatt per square metre (kW/m²) instantly and accurately.

Watt per square inch (W/in²)
Kilowatt per square metre (kW/m²)

Conversion Formula

kW/m² = W/in² × 1.5500031

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.

About Kilowatt per square metre

The kilowatt per square metre (kW/m²) equals exactly 1000 W/m². Standard for concentrated solar collectors (parabolic trough ≈ 20-80 kW/m² at focus), industrial infrared heaters, and induction heating surfaces. 1 kW/m² = 1000 W/m² = 0.1 W/cm² = 100 mW/cm².

Quick Reference Table

Watt per square inch (W/in²)Kilowatt per square metre (kW/m²)
1 W/in²1.55 kW/m²
2 W/in²3.10001 kW/m²
5 W/in²7.75002 kW/m²
10 W/in²15.5 kW/m²
25 W/in²38.7501 kW/m²
50 W/in²77.5002 kW/m²
100 W/in²155 kW/m²

→ Full Heat Flux Density Converter