Kg to Newtons Converter

Convert kilograms of mass to weight in newtons using standard gravity. Enter the mass and get newtons and pounds-force.

Independently verified for accuracy

Calculator by Toolsloft ↗
Weight in newtons
98.0665 N
Pounds-force
22.046226 lbf

Convert a mass in kilograms to weight in newtons, the force that mass exerts under Earth gravity. Enter the kilograms and get the force in newtons and in pounds-force. Useful for physics homework and quick engineering checks where mass and force get mixed up.

How this is calculated

Weight is mass times gravitational acceleration. This uses standard gravity, g = 9.80665 m/s^2, the value fixed by the CGPM, so newtons = kg * 9.80665. Pounds-force use the exact definition 1 lbf = 4.4482216152605 N.

How to use

  1. Enter the mass in kilograms.
  2. Read the weight in newtons.
  3. Use the pounds-force value for imperial work.

Examples

  • 10 kg: 10 kg = 98.07 N
  • 75 kg: 75 kg = 735.50 N

FAQ

Why is a kilogram not the same as a newton?
A kilogram is a unit of mass, while a newton is a unit of force. On Earth, one kilogram of mass weighs about 9.81 newtons because gravity pulls on it.
What gravity value is used?
Standard gravity, 9.80665 m/s^2. This is the internationally agreed average. Actual gravity varies slightly with location and altitude.
How do I get pounds-force?
The tool divides the newton value by 4.4482216152605, the exact number of newtons in one pound-force.

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