# Terminal Velocity Calculator

Enter the mass, cross-sectional area, drag coefficient, density of air, and force due to gravity into the calculator. The calculator will evaluate the terminal velocity of that object.

## Terminal Velocity Formula

The following equation is used to calculate the terminal velocity of an object.

• Where m is the mass of the obejct
• g is the acceleration due to gravity
• p is the density of the medium (air)
• A is the cross sectional area
• Cd is the coefficient of drag

How to calculate terminal velocity

1. First, measure the mass of the object

Measure the mass of the object in kilograms.

2. Next, determine the acceleration due to gravity

On earth, this is approximately 9.8 m/s^2.

3. Next, determine the density of air

Air has a density of 1.225 kg/m^3 at 1 atmosphere.

4. Next, measure the cross sectional area

The cross sectional area is the area that is exposed to the force of air resistance.

5. Determine the coefficient of drag.

Using an experiment or theoretical data, determine an estimate for the coefficient of drag on the object.

## FAQ

What is terminal velocity?

Terminal velocity is the maximum speed an object achieves while under free fall. At a certain speed, the force of gravity and the force of drag are equal, so the object doesn’t accelerate any further.