BTU (th) per Square Foot to BTU (IT) per Square Foot Conversion

Convert between BTU (th) per Square Foot and BTU (IT) per Square Foot quickly and accurately.

Btu/ft²
Btu/ft²

How to Convert BTU (th) per Square Foot to BTU (IT) per Square Foot

Conversion Formula

1 Btu/ft² = 0.999 Btu/ft²
1 Btu/ft² = 1.001 Btu/ft²

Example

Convert 15 Btu/ft² to Btu/ft²:

15 Btu/ft² = 15 × 0.999 Btu/ft² = 14.99 Btu/ft²

Unit Information

Learn about the heat density units you're converting between

BTU (th) per Square Foot

Btu/ft²

Definition

The BTU (th) per square foot (Btu/ft²) is an imperial unit of heat density equal to approximately 11,349 joules per square meter. It represents the amount of heat energy per unit area, commonly used in specialized thermal engineering applications where thermochemical BTU units are specified.

History/Origin

Developed as part of the thermochemical BTU system for precise heat density measurements, this unit became standard in specialized thermal engineering and research applications. It provides a precise measure for heat density using thermochemical BTU units.

Current Use

Used in specialized thermal engineering applications, thermochemical analysis, and research contexts where thermochemical BTU units are specified. It is essential for precise thermal calculations, thermochemical analysis, and specialized thermal engineering applications.

Multiplier

11348.932

Offset

0

BTU (IT) per Square Foot

Btu/ft²

Definition

The BTU (IT) per square foot (Btu/ft²) is an imperial unit of heat density equal to approximately 11,357 joules per square meter. It represents the amount of heat energy per unit area, commonly used in thermal engineering and building thermal analysis applications in the United States.

History/Origin

Developed as part of the imperial system for heat density measurements, this unit became standard in the United States for thermal engineering and building thermal analysis applications. It provides a practical measure for heat density using familiar imperial units.

Current Use

Commonly used in thermal engineering, building thermal analysis, 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

11356.527

Offset

0

BTU (th) per Square Foot to BTU (IT) per Square Foot Conversion Table

BTU (th) per Square Foot [Btu/ft²] BTU (IT) per Square Foot [Btu/ft²]
1 Btu/ft² 0.999331 Btu/ft²
10 Btu/ft² 9.993312 Btu/ft²
25 Btu/ft² 24.983281 Btu/ft²
50 Btu/ft² 49.966562 Btu/ft²
100 Btu/ft² 99.933123 Btu/ft²
0 Btu/ft² 0E+0 Btu/ft²
-10 Btu/ft² -9.993312 Btu/ft²
-40 Btu/ft² -39.973249 Btu/ft²