DA Calculator - Density Altitude Calculator Marion County International Raceway


LaRue, OH


This calculator will calculate the Density Altitude (DA) from the given weather conditions for your drag racing runs.

You can enter in the data manually if you have it ready, or you can choose the track and date of the drag racing
run and we will look up the weather and elevation data for you. Weather data is obtained from an airport near the track.

If you want the most accurate DA, check out this Kestrel 4250 racing weather meter, it gives you your DA instantly at the track.

Track:

Date:

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Click on the time to select your run conditions and calcuate your DA:
Time Temperature Humidity Pressure
06/03/2016 00:00:00 71.96 F 74 % 30.01 in
06/03/2016 01:00:00 70.18 F 77 % 30.01 in
06/03/2016 02:00:00 68.76 F 82 % 30.02 in
06/03/2016 03:00:00 68.03 F 76 % 30.01 in
06/03/2016 04:00:00 67.2 F 73 % 30.02 in
06/03/2016 05:00:00 65.62 F 69 % 30.02 in
06/03/2016 06:00:00 63.6 F 71 % 30.03 in
06/03/2016 07:00:00 63.99 F 72 % 30.04 in
06/03/2016 08:00:00 67.36 F 67 % 30.04 in
06/03/2016 09:00:00 70.27 F 59 % 30.05 in
06/03/2016 10:00:00 73.43 F 51 % 30.05 in
06/03/2016 11:00:00 76.41 F 44 % 30.06 in
06/03/2016 12:00:00 78.53 F 39 % 30.06 in
06/03/2016 13:00:00 80.25 F 37 % 30.05 in
06/03/2016 14:00:00 81.14 F 34 % 30.05 in
06/03/2016 15:00:00 82.6 F 33 % 30.03 in
06/03/2016 16:00:00 83.57 F 31 % 30.02 in
06/03/2016 17:00:00 83.81 F 28 % 30.01 in
06/03/2016 18:00:00 83.73 F 29 % 30 in
06/03/2016 19:00:00 82.08 F 31 % 30 in
06/03/2016 20:00:00 80.55 F 34 % 30 in
06/03/2016 21:00:00 76.06 F 40 % 30.01 in
06/03/2016 22:00:00 72.69 F 50 % 30.02 in
06/03/2016 23:00:00 70.68 F 56 % 30.03 in

Track Elevation:

feet above sea level

Air Temperature:

degrees F

Barometric Pressure:

inches Hg

Relative Humidty:

%


Density Altitude: 2550 feet
Relative Density: 92.75 %

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Correct your ET and MPH using the DA (Beta Testing)

Density Altitude:

feet above sea level

1/4 mile ET:

seconds

1/4 mile trap speed:

MPH

Stock and Mildly Modified Naturally Aspirated Engines
@ MPH

Extensively Modified Naturally Aspirated Engines
@ MPH

Extensively Modified Supercharged and Turbocharged Engines
@ MPH

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