Air Density Online

weather calculations for racers

Free Weather Calculations based on weather data you input
Real-time information based on current weather observations at various race tracks.
Jet your car from anywhere with an internet connection

Jan 16, 15 - A Question for Australian Users

The bulk of the tracks featured on this site are for US tracks and, therefore, use imperial measurements and fahrenheit temperatures. Would users outside the US get more use out of this site if there was an option to convert data into metric and centrigrade units?

If you have thoughts on this, please contact us. We appreciate your feedback!


Sep 18, 14 - small site updates

A few small site updates have been added including a brief introduction to the people behind this site. If you’ve ever emailed this site, you talked to one or both of us. Learn a little more here.


May 28, 14 - Featured Track: Bonneville Speedway

Bonneville Speedway is a well-known part of the Bonneville Salt Flats used to set numerous land speed records over the years. It is a dry lake bed located near Wendover, UT. It is on the border with eastern Nevada and 2 hours west of Salt Lake City.

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Apr 7, 14 - Featured Track: Las Vegas Motor Speedway

Las Vegas Motor Speedway is our current featured track. It is a full service facility that is used for everything from drag racing to NASCAR races and even features an annual rave where racing takes a back seat to electronic music.

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