The present disclosure relates to subterranean drilling, and more particularly to tools, systems, and methods used to measure torque applied by subterranean drilling machines, such as iron roughnecks, during the make-up and break out of drill pipe connections. Articles, systems, and methods herein relate to embodiments of a torque measuring tool including: a torque shaft; a torque sleeve; an upper torque arm; a lower torque arm; and a force sensor; wherein the torque shaft is disposed in the torque sleeve; wherein the upper torque arm is coupled to the torque sleeve; wherein the lower torque arm is coupled to the torque shaft; and wherein the force sensor is coupled to and disposed between the upper torque arm and the lower torque arm.