Moment of Force Converter

Convert between newton-metres and pound-feet, the units used to describe rotational force, or torque, applied to an object.

Moment of Force Measures Rotational Push, Not Straight-Line Push

Moment of force, essentially synonymous with torque in everyday engineering language, measures the rotational effect a force produces around a pivot point, calculated from the applied force multiplied by the perpendicular distance from that pivot to where the force is applied, which is exactly why its unit, the newton-metre, combines a force unit with a length unit rather than standing alone. This distance dependency has a genuinely practical consequence familiar to anyone who has used a longer wrench or breaker bar to loosen a stubborn bolt, since applying the exact same physical force further from the pivot point produces proportionally more rotational moment, precisely why a longer lever arm makes a fixed amount of muscular effort dramatically more effective at loosening a tightly fastened bolt than the same effort applied with a shorter tool. Converting between newton-metres and the imperial pound-foot follows the same combined force-and-length-unit logic underlying every other compound unit on this list, meaning the conversion factor between them is simply the product of the underlying force conversion and the underlying length conversion already covered separately in the force and length converters.