Calculate force using F = ma. Enter mass and acceleration for instant results. Free, accurate, no sign-up.
The SI unit of force. 1 N = force to accelerate 1kg at 1 m/sยฒ.
On Earth g โ 9.8 m/sยฒ. Use this to find weight of any object.
Mass is amount of matter (kg); weight is gravitational force on that mass (N).