Force Converter

Convert newtons, pound-force, dynes, and related force units.

Force Converter

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Quick Tip

Choose the unit you have and the unit you want.

About This Tool

Why use Force Converter?

Convert between newtons, kilonewtons, kilogram-force, gram-force, pound-force and dynes. The newton is the SI unit: the force that accelerates one kilogram at one metre per second squared.

Kilogram-force is the force gravity exerts on one kilogram, which is 9.80665 N — the reason a 70 kg person weighs about 687 N. Pound-force works the same way for a pound mass and equals 4.448 N. Dynes belong to the older CGS system, where one dyne is 10⁻⁵ N.

Key Benefits

SI and gravitational units

Newtons alongside kilogram-force and pound-force, which is what equipment specifications often use.

Standard gravity applied

Conversions use g = 9.80665 m/s², the internationally agreed value.

Covers small and large forces

From dynes in laboratory work to kilonewtons in structural engineering.

How to use Force Converter

1
Choose the unit you have and the unit you want.
2
Enter the force value.
3
Read the converted result.
4
Use kilogram-force when a specification is really quoting a weight rather than a force.

Best use cases

Convert a load rating between kgf and newtons.

Read an imperial specification in SI units.

Convert forces for a physics or engineering calculation.

Compare equipment rated in different unit systems.

Force Converter FAQs

How many newtons is 1 kilogram-force?

9.80665 N, the force gravity exerts on one kilogram at the Earth's surface.

How many newtons is 1 pound-force?

4.448222 N. A 150 lb person weighs about 667 N.

What is a newton?

The force needed to accelerate a 1 kg mass at 1 m/s². It is roughly the weight of a 100 g apple.

Why do some specifications use kgf instead of N?

Because the figure was measured as a weight. It is a gravitational unit, so it depends on standard gravity, whereas the newton is defined from mass and acceleration.