Convert Megawatt per square metre to Watt per square inch

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

Megawatt per square metre (MW/m²)
Watt per square inch (W/in²)

Conversion Formula

W/in² = MW/m² × 645.16

About Megawatt per square metre

The megawatt per square metre (MW/m²) equals exactly 10⁶ W/m². Used in fusion reactor engineering (plasma-facing components: 10-20 MW/m²), concentrated solar power tower receivers (≈1-3 MW/m²), and hypervelocity shock studies. Numerically equal to W/mm². 1 MW/m² = 10⁶ W/m² = 1 W/mm².

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

Megawatt per square metre (MW/m²)Watt per square inch (W/in²)
1 MW/m²645.16 W/in²
2 MW/m²1290.32 W/in²
5 MW/m²3225.8 W/in²
10 MW/m²6451.6 W/in²
25 MW/m²16129 W/in²
50 MW/m²32258 W/in²
100 MW/m²64516 W/in²

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