1. Zero out the calipers, either by sliding an oldstyle caliper into the zero position or by pressing the reset button on new electronic versions. Place the calipers over the round
http://www.ehow.com/how_7579830_calculatemetricb...

Torque can be calculated by equation T=F*r*sin theta) where F= force causing torque, r= length of force vector & theta is angle between them.
http://answers.ask.com/Consumer_Electronics/Other/...

If you're looking for a purely mathematical calculation based on the limit of the bolt to withstand rotational shearing force, you would need to determine two things. (1) The total
http://www.quora.com/MechanicalEngineering/Howca...

It is called Ft/Lbs.
http://wiki.answers.com/Q/What_is_the_head_bolts_t...
