Units of measurement
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Calculations
BTU per square foot per second
BTU per square foot per hour
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Information
BTU per square foot per second
BTU per square foot per second (BTU/ftยฒยทs) โ a unit of thermal flux density per unit area using British Thermal Units (BTU).
BTU per square foot per hour
BTU per square foot per hour (BTU/ftยฒยทh) โ a unit of thermal flux density per unit area per hour.