THERMAL
Heat flux
Heat-transfer rate per surface area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.000315459 W/cm²1 BtuIT/(h·ft²) = 0.000315459 W/cm²
EVERYDAY · ENGINEERING · SCIENCE
BtuIT/(h·ft²) to W/cm² Converter
Convert Btu per hour square foot (BtuIT/(h·ft²)) to watt per square centimetre (W/cm²). 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 watt per square centimetre 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 W/cm² Conversion Reference
Btu Per Hour Square Foot (BtuIT/(h·ft²)) and watt per square centimetre (W/cm²) are units of heat flux. Use this page to convert in either direction.
Conversion Examples
| Btu Per Hour Square Foot (BtuIT/(h·ft²)) | Watt Per Square Centimetre (W/cm²) |
|---|---|
| 1 BtuIT/(h·ft²) | 0.000315459 W/cm² |
| 5 BtuIT/(h·ft²) | 0.0015773 W/cm² |
| 10 BtuIT/(h·ft²) | 0.00315459 W/cm² |
| 100 BtuIT/(h·ft²) | 0.0315459 W/cm² |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
W/cm² to BtuIT/(h·ft²) (watt per square centimetre to Btu per hour square foot)