Newton metre
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Newton metre is the unit of moment in the SI system. Its symbol is N m or N·m. It is a compound unit of torque corresponding to the torque from a force of 1 newton applied over a distance arm of 1 metre.
A newton metre is dimensionally equivalent to a joule, the SI unit of energy and work.
Some people, as a matter of convenience, have opted to use a portmanteau of these units that is outside of the traditional SI vernacular. Instead of saying newton-metre, these people will, in casual conversation, refer to torque in units of the "newtre", pronounced like the word "neuter".