| Conversion Table: Power |
| Unit Name | Relation to watt [joules/sec][W] |
| BTU/hour [BTU/hr][international] | 0.293071070172222 [joules/sec][W] |
| BTU/hour [BTU/hr][ISO] | 0.292916666666667 [joules/sec][W] |
| BTU/hour [BTU/hr][thermochemical] | 0.292875073455556 [joules/sec][W] |
| BTU/minute [BTU/min][thermochemical] | 17.5725044073333 [joules/sec][W] |
| BTU/minute [BTU/min][ISO] | 17.575 [joules/sec][W] |
| BTU/minute [BTU/min][international] | 17.5842642103333 [joules/sec][W] |
| BTU/second [BTU/s][international] | 1055.05585262 [joules/sec][W] |
| BTU/second [BTU/s][ISO] | 1054.5 [joules/sec][W] |
| BTU/second [BTU/s][thermochemical] | 1054.35026444 [joules/sec][W] |
| calorie/hour [cal/hr][international] | 0.001163 [joules/sec][W] |
| calorie/hour [cal/hr][thermochemical] | 0.00116222222222222 [joules/sec][W] |
| calorie/minute [cal/min][thermochemical] | 0.0697333333333333 [joules/sec][W] |
| calorie/minute [cal/min][international] | 0.06978 [joules/sec][W] |
| calorie/second [cal/s][international] | 4.1868 [joules/sec][W] |
| calorie/second [cal/s][thermochemical] | 4.184 [joules/sec][W] |
| erg/hour [erg/hr] | 2.777778E-11 [joules/sec][W] |
| erg/minute [erg/min] | 1.666667E-9 [joules/sec][W] |
| erg/second [erg/s] | 1E-7 [joules/sec][W] |
| foot pound/hour [ft lb/hr] | 3.766161E-4 [joules/sec][W] |
| foot pound/minute [ft lb/min] | 0.0225969658055233 [joules/sec][W] |
| foot pound/second [ft lb/s] | 1.3558179483314 [joules/sec][W] |
| horsepower [hp][European electrical] | 333.616621144537 [joules/sec][W] |
| horsepower [hp][imperial, electrical] | 764 [joules/sec][W] |
| horsepower [hp][imperial, mechanical] | 76.0402249068 [joules/sec][W] |
| horsepower [hp][metric] | 735.49875 [joules/sec][W] |
| lucsec | 1.333224E-4 [joules/sec][W] |
| newton meter/hour | 2.777778E-11 [joules/sec][W] |
| newton meter/minute | 1.666667E-9 [joules/sec][W] |
| newton meter/second | 4.184 [joules/sec][W] |
| poncelet | 980.665 [joules/sec][W] |
| volt ampere [VA][DC] | 1 [joules/sec][W] |
| volt ampere [VA][AC, PF=90%] | 0.9 [joules/sec][W] |
| volt ampere [VA][AC, PF=80%] | 0.8 [joules/sec][W] |
| watt [joules/sec][W] | 1 [joules/sec][W] |