Newtons (N)	Pounds-force (lbf)
1 N	0.2248 lbf
2 N	0.4496 lbf
5 N	1.124 lbf
10 N	2.2481 lbf
25 N	5.6202 lbf
50 N	11.2404 lbf
100 N	22.4809 lbf
250 N	56.2022 lbf
500 N	112.4045 lbf
1000 N	224.8089 lbf

Force Unit Conversions

Free online force converter. Instantly convert between Newtons, Kilonewtons, Meganewtons, Pounds-force, Kilograms-force, and more with exact scientific formulas.

Understanding Force Conversions

The SI unit of force is the newton (N), defined as the force required to accelerate a mass of one kilogram at one meter per second squared (1 N = 1 kg·m/s²).

Supported Force Units (8 Units)

Newton (N) (SI metric standard (1 kg⋅m/s²)) — Primary SI / Base Reference Unit
Kilonewton (kN) (Climbing gear & aerospace rocketry) — 1 kN = 1000 N
Meganewton (MN) (Rocket thrust & mega-structures) — 1 MN = 1000000 N
Pound-force (lbf) (US engineering standard (1 lb × g)) — 1 lbf = 4.448222 N
Kilogram-force (kgf) (Metric technical unit (kilopond)) — 1 kgf = 9.80665 N
Dyne (dyn) (CGS physics standard (1 g⋅cm/s²)) — 1 dyn = 0.00001 N
Kip (kip) (1,000 lbf (Civil & structural engineering)) — 1 kip = 4448.221615 N
Ounce-force (ozf) (Precision small mechanisms & springs) — 1 ozf = 0.278014 N

Popular Force Conversions

Newton ⇄ Pound-force

Multiply Newtons by ~0.224809 to convert to pounds-force (lbf).

Pound-force ⇄ Newton

Multiply pounds-force by ~4.448222 to convert to Newtons (N).

Kilonewton ⇄ Pound-force

1 kilonewton (kN) equals 1,000 Newtons or approximately 224.81 pounds-force.

Kilogram-force ⇄ Newton

1 kilogram-force (kgf / kilopond) equals exactly 9.80665 Newtons.

Kip ⇄ Kilonewton

1 kip (1,000 lbf) equals approximately 4.44822 kilonewtons.

Frequently Asked Questions

Common questions and verified calculations for force units.

How do you convert Newtons (N) to pounds-force (lbf)?

Multiply the force value in Newtons by 0.224809 (or divide by 4.448222). For example, 100 N equals approximately 22.48 lbf.

What is a kilonewton (kN) used for?

A kilonewton equals 1,000 Newtons (~224.81 lbf). It is standard in civil engineering, rocketry thrust, and rock climbing safety equipment ratings (e.g. carabiners typically hold 20-25 kN).

What is the difference between mass (pounds/kilograms) and force (lbf/Newtons)?

Mass measures the amount of matter in an object, while force measures the interaction (push or pull) acting on it. Under standard Earth gravity (9.80665 m/s²), a 1-pound mass exerts 1 pound-force (1 lbf = 4.448 N), and a 1-kilogram mass exerts 1 kilogram-force (9.807 N).