Free fall with air resistance (time and velocity) Calculator

Calculates the free fall time and velocity with air resistance from the free fall distance.

The default value of the air resistance coefficient, k=0.24(kg/m), assumes the value in skydiving.
Free fall with air resistance (time and velocity)
Mass mg kg lb
Free fall distance hm ft
Air resistance kkg/m lb/ft
[ Gravity gm/s2 ]
Free fall time t
Free fall velocity v
To improve this 'Free fall with air resistance (time and velocity) Calculator', please fill in questionnaire.
Male or Famale ?
Male Female
Under 20 years old 20 years old level 30 years old level
40 years old level 50 years old level 60 years old level or over
Elementary school/ Junior high-school student
High-school/ University/ Grad student A homemaker An office worker / A public employee
Self-employed people An engineer A teacher / A researcher
A retired people Others
Very Useful A little Not at All
Purpose of use?
Comment/Request (Click here to report a bug).
Your feedback and comments may be posted as customer voice.