Energy Flow Rate

The SI unit used to define energy flow rate (energy per time) is the joule per second, J/s. Note that dimensionally this is equivalent to power.

Factors in boldface are exact.

Convert From To Multiply Std
kilojoules per second kJ/s J/s 1000 2
megajoules per second MJ/s J/s 1.0 x 106 2
gigajoules per second GJ/s J/s 1.0 x 109 2
megajoules per hour MJ/hr J/s (1.0/3600) x 106 1
gigajoules per hour GJ/hr J/s (1.0/3600) x 109 1
terajoule per hour TJ/hr J/s (1.0/3600) x 1012 1
megajoule per day MJ/d J/s (1.0/86400) x 106 1
gigajoule per day GJ/d J/s (1.0/86400) x 109 1
terajoule per day TJ/d J/s (1.0/3600) x 1012 1
British thermal units per second Bturr/s J/s 1.05505585262 x 103 3
British thermal units per hour Bturr/hr J/s 0.293071 3
British thermal units per day Bturr/d J/s 1.221129 x 10-2 3
kilo British thermal units per hour kBturr/hr J/s 293.071 3
kilo British thermal units per day kBturr/d J/s 12.221129 3
million British thermal units per hour MMBturr/hr J/s 2.93071 x 105 3
million British thermal units per day MMBturr/d J/s 1.221129 x 104 3
million British thermal units per second MMBturr/s J/s 1.05505585262 x 109 3

1: BS 350:2004 Section 37 & BS 350:2004 Section 10

2: BS 350:2004 Section 37

3: BS 350:2004 Table 38 & BS 350:2004 Section 10

 

 

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