DA Calculator - Density Altitude Calculator New England Dragway


Epping, NH


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: @ 11:58 AM

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Click on the time to select your run conditions and calcuate your DA:
Time Temperature Humidity Pressure
09/20/2013 14:00:00 60.93 F 21 % 29.92 in
09/20/2013 15:00:00 59.2 F 21 % 0 in
09/20/2013 16:00:00 53.8 F 30 % 0 in
09/20/2013 17:00:00 51.12 F 42 % 29.94 in
09/20/2013 18:00:00 50.21 F 37 % 0 in
09/20/2013 19:00:00 46.6 F 49 % 0 in
09/20/2013 20:00:00 45.27 F 56 % 30.01 in
09/20/2013 21:00:00 44.81 F 52 % 0 in
09/20/2013 22:00:00 46.6 F 49 % 0 in
09/20/2013 23:00:00 49.68 F 42 % 30.04 in
09/21/2013 00:00:00 53.8 F 35 % 0 in
09/21/2013 01:00:00 57.41 F 31 % 0 in
09/21/2013 02:00:00 59.76 F 28 % 30.03 in
09/21/2013 03:00:00 62.81 F 23 % 0 in
09/21/2013 04:00:00 66.4 F 21 % 0 in
09/21/2013 05:00:00 66.79 F 21 % 30 in
09/21/2013 06:00:00 68.21 F 17 % 0 in
09/21/2013 07:00:00 70.01 F 17 % 0 in
09/21/2013 08:00:00 69.48 F 17 % 29.99 in
09/21/2013 09:00:00 64.6 F 19 % 0 in
09/21/2013 10:00:00 61 F 20 % 0 in
09/21/2013 11:00:00 60.12 F 20 % 30.03 in
09/21/2013 12:00:00 59.2 F 20 % 0 in
09/21/2013 13:00:00 52 F 32 % 0 in

Track Elevation:

feet above sea level

Air Temperature:

degrees F

Barometric Pressure:

inches Hg

Relative Humidty:

%



Density Altitude: 932 feet
Relative Density: 97.3 %

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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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