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UNIT CONVERTER

Heat flux

Converts heat rate or power per unit area.

Result

SI / metric also includes non-SI metric units. Check distinctions such as US and UK units.

Results in other units

Displayed values are rounded. Check the unit type and definition before use.

How to convert, examples and notes

About heat flux conversion

Choose the input and output units, then enter a number. The result updates on this device.

Conversion examples (rounded)

  • 1 W/m² = 0.001 kW/m²
  • 10 W/m² = 0.01 kW/m²

Some supported units: W/m² · kW/m² · W/cm² · W/mm² · BTU/(h·ft²) (5 units in this category).

Converts heat rate or power per unit area.

The nearby list shows the reference unit and up to two rows on either side. Expand it to see every unit. Check SI / metric, imperial / US customary and other definitions before important use.

Conversion table for 1 W/m²

Fixed reference values, rounded to 10 significant digits. Use the converter above for your own value.

UnitName1 W/m² equals
W/m²Watt per square metre1 W/m²
kW/m²Kilowatt per square metre0.001 kW/m²
W/cm²Watt per square centimetre0.0001 W/cm²
W/mm²Watt per square millimetre0.000001 W/mm²
BTU/(h·ft²)BTU per hour square foot (IT)0.3169983306 BTU/(h·ft²)