Force Converter
Convert any force unit to another with this free force converter. It supports 7 units including newtons, kilonewtons, meganewtons, dynes, pounds-force, kilograms-force, and more. Pick a conversion below for a dedicated calculator, formula, and reference table. For example, 1 N = 0.001 kN.
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About these units
Newton (N)
- Definition
- The newton (N) is the SI unit of force, the force that accelerates one kilogram at one meter per second squared.
- History
- Named after Isaac Newton, it was adopted as the SI force unit in 1948.
- Current use
- Newtons measure force, weight, and thrust throughout physics and engineering.
Kilonewton (kN)
- Definition
- A kilonewton (kN) is 1,000 newtons, a convenient size for structural and automotive forces.
- History
- It is a metric multiple of the newton.
- Current use
- Kilonewtons rate structural loads, crash forces, and rocket thrust.
Meganewton (MN)
- Definition
- A meganewton (MN) is one million newtons, used for very large forces.
- History
- It is a metric multiple of the newton for large-scale work.
- Current use
- Meganewtons describe rocket-engine thrust and heavy-press forces.
Dyne (dyn)
- Definition
- A dyne is the CGS unit of force equal to 10⁻⁵ newtons, the force to accelerate one gram at one centimeter per second squared.
- History
- It comes from the centimeter-gram-second system of the 19th century.
- Current use
- Dynes appear in physics, surface-tension measurements, and older literature.
Pound-force (lbf)
- Definition
- A pound-force (lbf) is the gravitational force on one pound of mass, about 4.448 newtons.
- History
- It developed with the imperial system of mechanics and engineering.
- Current use
- Pound-force expresses thrust, tension, and load in US engineering.
Kilogram-force (kgf)
- Definition
- A kilogram-force (kgf) is the gravitational force on one kilogram, about 9.807 newtons.
- History
- It was common in older metric engineering before the newton became standard.
- Current use
- Kilogram-force still appears in some engineering and everyday weight contexts.
Ounce-force (ozf)
- Definition
- An ounce-force (ozf) is the gravitational force on one ounce of mass, about 0.278 newtons.
- History
- It is the small-force counterpart of the pound-force.
- Current use
- Ounce-force measures small forces such as switch actuation and spring tension.
Frequently asked questions
What force units can I convert?
This force converter supports 7 units: newtons, kilonewtons, meganewtons, dynes, pounds-force, kilograms-force, ounces-force. Select any pair below to open a dedicated converter with a formula and conversion table.
How accurate is the force converter?
Conversions use exact definitional factors, so results are accurate to the precision you need for science, engineering, and everyday use. Values are rounded only for display.
Is the force converter free?
Yes. Every force conversion is completely free, needs no sign-up, and runs entirely in your browser — your inputs never leave your device.
Free, private, and instant — every conversion runs in your browser.
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