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Heat Transfer

kW/m²toW/m²

Convert kilowatts per square metre (kW/m²) to watts per square metre (W/m²).

Factor1 kW/m² = 1000 W/m²

Converter

kW/m²

Accepts numbers or expressions, e.g. 150 + 14.7

Result
1000W/m²

Rendered to 6 significant figures.

Formula

Formula
W/m² = kW/m² × 1000

Multiply any value in kilowatts per square metre by 1000 to obtain the value in watts per square metre.

Worked example

Convert 1 kW/m² to W/m².

  1. 01Start with 1 kW/m².
  2. 02Multiply by the conversion factor: 1 × 1000 = 1000 W/m².
Result1 kW/m² = 1000 W/m²

Conversion table

kW/m²W/m²
11000
22000
55000
1010000
2020000
5050000
1001.0000e+5
2002.0000e+5
5005.0000e+5
10001.0000e+6

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from kW/m² to W/m²?
1 kW/m² equals 1000 W/m². To convert, multiply the value in kilowatts per square metre by 1000.
How do I convert 1 kW/m² to W/m²?
1 kW/m² = 1000 W/m². For any value, multiply by 1000.
How do I convert W/m² back to kW/m²?
Divide by the same factor — or equivalently, multiply by 0.001. So 1 W/m² = 0.001 kW/m².
When would I need to convert kilowatt per square metre to watt per square metre?
Heat-flux conversions between kW/m² and W/m² appear in radiative-heat-transfer analysis, furnace and reactor design, electronics cooling, and solar-energy calculations. W/m² is the SI standard; BTU/(hr·ft²) and kcal/(hr·m²) appear in US and legacy European datasheets.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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