Torque Nm to lb·ft Converter
Convert torque between newton-meters (Nm) and pound-feet (lb·ft) instantly. Handy for mechanics, bolt torque specs and imported car manuals.
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Matching Nm specs to a lb·ft wrench
The manual asks for 110 Nm at the wheel, your torque wrench is only marked in lb·ft, and a wheel stud is a bad place to guess: too loose and vibration works it free, too tight and you stretch the thread without knowing it yet. Type the number here, pick the direction (Nm to lb·ft or the other way round), and the answer updates as you type, with no button to press.
The conversion uses 1.3558, since one lb·ft equals 1.3558 Nm. The exact figure is 1.35581795, so the gap lands in the fourth decimal and never matters on a real fastener. The traps are the neighbouring units. lb·ft and ft·lb are the same thing written backwards, but lb·in (inch-pound) is twelve times smaller, and older manuals often print kgf·m, which is 9.80665 Nm. Those last two are not handled here.
Convert first, then round to the smallest increment your wrench can actually be set to, usually 1 lb·ft. Check whether the spec assumes a dry or a lubricated thread, because that shifts the real clamp load far more than any rounding of the factor does. The math runs entirely in your browser in plain JavaScript, so the value is never sent to a server and the page keeps working if your connection drops.
Frequently asked questions
How much is 100 Nm in lb·ft?
Are lb·ft and ft·lb different units?
Can I convert kgf·m here?
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