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Calixo

Force Calculator

Find force from mass and acceleration using Newton's second law.

Inputs

Saved Scenarios

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Force (N)

98.10

Spark says

How it's calculated

Formula

F=maF = ma
m
— Mass in kilograms
a
— Acceleration in m/s²

What is the Force Calculator?

Newton's second law states that force equals mass times acceleration — this calculator applies it directly.

How to use it

  1. 1 Enter the mass.
  2. 2 Enter the acceleration (use 9.81 m/s² for Earth's gravity to find weight).

Worked examples

10kg at Earth's gravity (9.81 m/s²)

Force is 98.1 N — the object's weight.

Try it

Frequently asked questions

How do I find an object's weight with this?

Weight is just the force of gravity acting on mass — enter 9.81 m/s² as the acceleration to get weight in newtons.