nmtoftlbs.org › Nm to in-lbs

Newton-Metres to Inch-Pounds Converter

Convert Nm to inch-pounds (in-lb) and back. Inch-pounds suit small fasteners, where foot-pound figures would be fractions.

Newton-Metres ⇄ Inch-Pounds
Nm
=
in-lb
Result10 Nm = 88.51 in-lb
Quick answer
One newton-metre is 8.851 in-lb, so multiply Nm by 8.851 for inch-pounds, or multiply in-lb by 0.113 to go back. Inch-pounds are the go-to unit for small screws, electronics and trim, where the equivalent foot-pound value would be under one. There are 12 inch-pounds in a foot-pound.

Conversion table

Newton-metres (Nm)Inch-pounds (in-lb)
1 Nm8.85
5 Nm44.25
10 Nm88.51
25 Nm221.27
50 Nm442.54
100 Nm885.07

How to convert Nm to in-lbs

in-lb = Nm × 8.851reverse: Nm = in-lb × 0.113 · 12 in-lb = 1 ft-lb
Nm
newton-metres you enter
in-lb
the result in inch-pounds
8.851
inch-pounds in one newton-metre

A small torque driver is usually marked in inch-pounds for this reason. Torque to the maker's spec; this only converts units.

Frequently asked questions

How many in-lb is 10 Nm?

10 Nm is about 88.51 in-lb.

How many Nm is 50 in-lb?

50 inch-pounds is about 5.65 Nm.

How many inch-pounds are in a foot-pound?

Twelve, since a foot is 12 inches.

Why use inch-pounds?

For light fasteners the foot-pound value would be a small fraction, so inch-pounds give a more readable number.

Quick facts
1 newton-metre
8.851 in-lb
1 in-lb
0.113 Nm
1 ft-lb
12 in-lb
Measures
Torque