Units of measurement
From value
To value
Calculations
BTU per square foot per hour
Joule per square meter per second
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Information
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.
Joule per square meter per second
Joule per square meter per second (J/mยฒยทs) โ a unit of energy flow through a surface per unit time.