BTU (IT) per Hour per Square Foot to Watt per Square Inch Conversion
Convert between BTU (IT) per Hour per Square Foot and Watt per Square Inch quickly and accurately.
How to Convert BTU (IT) per Hour per Square Foot to Watt per Square Inch
Conversion Formula
Example
Convert 15 Btu/(h·ft²) to W/in²:
Unit Information
Learn about the heat flux density units you're converting between
BTU (IT) per Hour per Square Foot
Btu/(h·ft²)
Definition
The BTU (IT) per hour per square foot (Btu/(h·ft²)) is an imperial unit of heat flux density equal to approximately 3.155 watts per square meter. It represents the rate of heat energy transfer per unit area, commonly used in building thermal analysis and HVAC applications where hour time units are preferred.
History/Origin
Developed for building thermal analysis and HVAC applications where hour time units are preferred, this unit became standard in building thermal analysis and HVAC system design. It provides a practical measure for heat flux density using familiar imperial and hour units.
Current Use
Commonly used in building thermal analysis, HVAC system design, and thermal engineering applications where hour time units are preferred. It is essential for calculating heat transfer rates, designing thermal insulation, and analyzing thermal performance in building applications.
Multiplier
3.155
Offset
0
Watt per Square Inch
W/in²
Definition
The watt per square inch (W/in²) is an imperial unit of heat flux density equal to approximately 1,550 watts per square meter. It represents the rate of heat energy transfer per unit area, commonly used in thermal engineering applications in the United States where imperial units are preferred.
History/Origin
Developed as part of the imperial system for heat flux density measurements, this unit became standard in the United States for thermal engineering and materials science applications. It provides a practical measure for heat flux density using familiar imperial units.
Current Use
Commonly used in thermal engineering, materials science, and HVAC applications in the United States where imperial units are preferred. It is essential for calculating heat transfer rates, designing thermal management systems, and analyzing thermal properties in imperial unit systems.
Multiplier
1550.003
Offset
0
BTU (IT) per Hour per Square Foot to Watt per Square Inch Conversion Table
| BTU (IT) per Hour per Square Foot [Btu/(h·ft²)] | Watt per Square Inch [W/in²] |
|---|---|
| 1 Btu/(h·ft²) | 0.002035 W/in² |
| 10 Btu/(h·ft²) | 0.020352 W/in² |
| 25 Btu/(h·ft²) | 0.05088 W/in² |
| 50 Btu/(h·ft²) | 0.101761 W/in² |
| 100 Btu/(h·ft²) | 0.203522 W/in² |
| 0 Btu/(h·ft²) | 0E+0 W/in² |
| -10 Btu/(h·ft²) | -0.020352 W/in² |
| -40 Btu/(h·ft²) | -0.081409 W/in² |
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