Force Converter
Convert newtons, pound-force, kilogram-force, and more
Conversion Formula
Target = Value × (From Ratio / To Ratio)
Force conversions use linear ratios based on the Newton (SI standard). Target = Value × (Source Ratio / Target Ratio). To convert newtons to pound-force: multiply by 1 / 4.448222 ≈ 0.224809.
Force conversion is vital in structural engineering, mechanical design, aerospace, automotive mechanics, and physics. Whether you are calculating load-bearing capacities in kilonewtons or torque and thrust in pound-force, our converter delivers instant, high-precision calculations.
The SI unit of force is the Newton (N), named after Sir Isaac Newton. It is derived from the second law of motion (F = ma), representing the force required to accelerate one kilogram of mass at one meter per second squared. In US customary engineering, the pound-force (lbf) remains widely used.
All Supported Force Units
| Unit | Symbol | Definition |
|---|---|---|
| Newton | N | The SI derived unit of force, defined as the force needed to accelerate 1 kilogram of mass at the rate of 1 meter per second squared. |
| Kilonewton | kN | One thousand newtons, commonly used in structural engineering, architecture, and climbing specifications. |
| Meganewton | MN | One million newtons, used for measuring the thrust of large rocket engines and heavy industrial presses. |
| Millinewton | mN | One-thousandth of a newton, used in surface tension measurements and precision micro-mechanics. |
| Pound-force | lbf | The imperial and US customary unit of force, equal to the gravitational pull on a mass of one avoirdupois pound on Earth's surface. |
| Kilogram-force | kgf | A metric unit of force equal to the magnitude of the force exerted on one kilogram of mass in a 9.80665 m/s² gravitational field (also known as kilopond). |
| Gram-force | gf | One-thousandth of a kilogram-force, used for measuring small forces such as stylus tracking force on turntables. |
| Tonne-force (metric) | tf | The force exerted by Earth's gravity on one metric ton (1,000 kg) of mass. |
| Ton-force (US short) | tonf | The US customary unit of force equal to 2,000 pounds-force (short ton-force). |
| Dyne | dyn | The CGS (centimeter-gram-second) unit of force, equal to 10⁻⁵ newtons. |
| Ounce-force | ozf | One-sixteenth of a pound-force, used for measuring light trigger pulls and small mechanical forces. |
| Poundal | pdl | An absolute foot-pound-second unit of force, defined as the force required to accelerate a 1-pound mass at 1 ft/s². |
Common Force Conversions
| From | To | Value |
|---|---|---|
| 1 lbf | N | 4.448 |
| 1 N | lbf | 0.225 |
| 1 kgf | N | 9.807 |
| 1 kN | lbf | 224.809 |
| 1 tonf (US) | kN | 8.896 |
| 1 N | dyn | 100,000 |
Frequently Asked Questions
Force Reference Guides
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Popular Force Conversions
Direct access to the most commonly used conversion tools.
Supported Force Units
Complete listing of available force units in our converter.