Enter the downward acceleration due to gravity and the object’s mass into the calculator to determine the downward force.

Downward Force Formula

The following equation is used to calculate the Downward Force.

Fd = m * AD

  • Where Fd is the downward force (N)
  • m is the mass (kg)
  • AD is the acceleration in the downward direction

What is a Downward Force?


A downward force is a force that pulls an object down. For example, the Earth’s gravity pulls things down towards it, so we can say that gravity is a downward force.

How to Calculate Downward Force?

Example Problem:

The following example outlines the steps and information needed to calculate the Downward Force.

First, determine the downward acceleration of the object. In this example, gravity pulls the object downward at an acceleration of 9.81 m/s^2.

Next, measure the mass of the object. This object is measured to have a total mass of 30kg.

Finally, calculate the downward force using the formula above:

Fd = m * AD

Fd = 30* 9.81

Fd = 294.3 N