IMPERIAL
![1](http://en.webtec.s-digital.net/api/i.aspx?wteqi01a.gif;76;29)
Where:
T = Torque in pounds feet
HP = Horsepower
RPM = Engine speed in revolution per minute
Example:
What is the torque of an engine that develops 40 HP at 2500 RPM?
![2](http://en.webtec.s-digital.net/api/i.aspx?wteqi01b.gif;126;29)
METRIC
![3](http://en.webtec.s-digital.net/api/i.aspx?wteqm01a.gif;71;29)
Where:
T = Torque in newton metre (N m)
P = Power in watts (W)
RPM = Engine speed in revolutions per minute
Example:
What is the torque of an engine that develops 30,000 W at 2500 rpm?
![4](http://en.webtec.s-digital.net/api/i.aspx?wteqm01b.gif;178;29)