I've seen it both ways
Newton-Meters
Foot Pounds
Torque is measured as a unit of length times a unit of force, so the SI unit is Newton-meters (Newton times meters). Imperial units would probably be something like foot-pound. Note that this is unrelated to energy units, also measured in Newton-meters. The unit "joule" as an equivalent for Newton-meters is only used for energy units, not for torque units.
They are completely unrelated. Don't get confused by the fact that the units look similar. Work units may be force (N) times distance (m); so a Nm is a work unit. Torque units may be distance (m) times force (N); so mN is a torque unit. Look similar, but they describe different things.
i was taught foot/lbs
The way I understand it, torque is unrelated to energy, despite the fact that torque and energy happen to have the same dimensions, namely force x distance (in units: newton x meters). In other words, torque is not an energy; it is a different kind of measurement.
The dimension for torque is force multiplied by distance, expressed in units of newton-meters (N·m) or foot-pounds (ft·lb). In terms of base SI units, torque is measured in Newton meters.
Speed refers to how fast an object is rotating or moving, while torque is the force that causes an object to rotate around an axis. Speed is measured in units like revolutions per minute (RPM) or meters per second, while torque is measured in units like Newton-meters or foot-pounds. In a mechanical system, speed and torque are related through the equation power = torque x speed, where power represents the rate at which work is done.
Newton-Meters
orwhere P is the power in wattsτ is the torque in newton metresω is the angular velocity in radians per secondF is the force in newtonsv is the linear velocity in metres per secondDivision by a conversion constant may be required depending on the units of measure used.For imperial units,where Php is the power in horsepowerτlb·ft is the torque in pound-feetωRPM is the rotational velocity in revolutions per minuteFor metric units,where PkW is the power in kilowattsτN·m is the torque in newton metresωrpm is the rotational velocity in revolutions per minute
To measure torque by hand, you can use a torque wrench, which is a tool that allows you to apply a specific amount of force to a bolt or nut. The torque wrench will indicate the amount of torque being applied, usually in units like foot-pounds or Newton-meters. Simply adjust the torque wrench to the desired torque setting, then apply force to the bolt or nut until the wrench clicks or signals that the correct torque has been reached.
Lb/Ft or pound feet. Sometimes called FT/Lbs