A stmpte way In Check yuurwreneh ie tu stick ah uld Bucket uh ti and Clamp the sneket m a me so that the wrench t5 free to rotate Rotate the hahdte to a heriznntat positten Hang a khnwn wetght oh tt ustng a lamp ntwtre Measure the dlstanee between where you hang the wtre and the mint pntht nfthe wreheh head, and divtde by 12 Theh mutttpty thts by ynur wetght Fur exampte, if ynu hahg a 3le wetght at 10 inchee ynur epptied torque ie EDXUDHZFZS- lbs. If you have a ctiekrtype wreneh yeu wuuld adjust the setting and see iftt chcks when its set hearEE ftrlbs If you Eaht hd a Quad weight use a bucket &t| tt usihg1 geltun water butttee every gallon you add wetghs B 3 tbs