Units of measurement
From value
To value
Calculations
Joule per square meter per second
BTU per square foot per second
0
0123456789
Information
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.
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).