British thermal unit (thermochemical) per square foot
type: Concept
definition: Unit of the areal-related energy transmission according to the Imperial system of units.
in scheme: unit-of-measure
notation: P38
conversion multiplier: 11348.931794912201
dimension vector: M1 T-2
rec20 quantity: radiant energy fluence, radiance exposure
rec20 sector: Light and Related Electromagnetic Radiations
ucum code: [Btu_th].[ft_i]-2
unit symbol: Btuth/ft²