Free Fall Calculator
Distance fallen and final velocity for a given fall time.
s
Formula: d = ½gt², v = gt (g = 9.81 m/s²)
Worth Knowing
In free fall, all objects accelerate at the same rate — about 9.8 m/s² near Earth's surface — regardless of mass, the counterintuitive fact Galileo demonstrated and Apollo astronauts confirmed by dropping a hammer and feather together on the airless Moon. This tool ignores air resistance, which in reality is what makes a feather flutter and a skydiver reach terminal velocity. Distance fallen grows with the square of time, so an object covers far more ground in later seconds than early ones.
How to Use
- Enter Fall time into the Free Fall Calculator above.
- Your result appears instantly as you type — there's no submit button or page reload.
Formula
d = ½gt², v = gt (g = 9.81 m/s²)