THERMAL
Heat flux
Heat-transfer rate per surface area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.00315459 kW/m²1 BtuIT/(h·ft²) = 0.00315459 kW/m²
EVERYDAY · ENGINEERING · SCIENCE
BtuIT/(h·ft²) to kW/m² Converter
Convert Btu per hour square foot (BtuIT/(h·ft²)) to kilowatt per square metre (kW/m²). Enter a value for an instant result, or use the examples and reverse conversion below.
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HOW IT IS CALCULATED
Convert through watt per square metre
Enter a Btu per hour square foot value to calculate kilowatt per square metre with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| watt per square metrefrom BtuIT/(h·ft²) | W/m² | 3.15459 |
| kilowatt per square metrefrom BtuIT/(h·ft²) | kW/m² | 0.00315459 |
| watt per square centimetrefrom BtuIT/(h·ft²) | W/cm² | 0.000315459 |
| Btu per hour square footfrom BtuIT/(h·ft²) | BtuIT/(h·ft²) | 1 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
BtuIT/(h·ft²) to kW/m² Conversion Reference
Btu Per Hour Square Foot (BtuIT/(h·ft²)) and kilowatt per square metre (kW/m²) are units of heat flux. Use this page to convert in either direction.
Conversion Examples
| Btu Per Hour Square Foot (BtuIT/(h·ft²)) | Kilowatt Per Square Metre (kW/m²) |
|---|---|
| 1 BtuIT/(h·ft²) | 0.00315459 kW/m² |
| 5 BtuIT/(h·ft²) | 0.015773 kW/m² |
| 10 BtuIT/(h·ft²) | 0.0315459 kW/m² |
| 100 BtuIT/(h·ft²) | 0.315459 kW/m² |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
kW/m² to BtuIT/(h·ft²) (kilowatt per square metre to Btu per hour square foot)