nmtoftlbs.org › lbf to N

Pound-Force to Newtons Converter

Convert pound-force to newtons and back. This is a unit of force, the newton being metric and the pound-force customary.

Pound-Force ⇄ Newtons
lbf
=
N
Result100 lbf = 444.822 N
Quick answer
One pound-force is 4.4482 newtons, so multiply pound-force by 4.4482 to get newtons. A 100 lbf pull is about 445 N. Pound-force is the push or pull that gravity exerts on one pound of mass, which is why it differs from the pound used purely as a weight on a scale.

Conversion table

Pound-force (lbf)Newton (N)
1 lbf4.448
10 lbf44.482
25 lbf111.206
50 lbf222.411
100 lbf444.822
250 lbf1112.055
500 lbf2224.111
1000 lbf4448.222

How to convert lbf to N

N = lbf × 4.4482reverse: lbf = N × 0.22481
lbf
pound-force you enter
N
the result in newtons
4.4482
newtons in one pound-force

Pound-force (lbf) is a force; the pound used on a bathroom scale is a mass. They line up numerically at Earth's gravity, which is why the same word gets used for both.

Frequently asked questions

How many newtons is 100 lbf?

100 pound-force is about 444.8 newtons.

How many pound-force is 1 newton?

One newton is about 0.2248 pound-force.

Is pound-force the same as a pound of weight?

Numerically at Earth's surface, yes, but strictly a pound-force is a force and a pound can also be a unit of mass.

What is 500 N in pound-force?

500 newtons is about 112.4 lbf.

Quick facts
1 pound-force
4.4482 N
1 newton
0.2248 lbf
Quantity
Force
Not
torque or mass