DA Calculator - Density Altitude Calculator Thunder Alley Dragway


El Paso, TX


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
12:51 AM MDT on July 15, 2018 78.1 F 60 % 29.88 in
1:51 AM MDT on July 15, 2018 81.0 F 47 % 29.87 in
2:51 AM MDT on July 15, 2018 77.0 F 60 % 29.86 in
3:51 AM MDT on July 15, 2018 77.0 F 58 % 29.86 in
4:51 AM MDT on July 15, 2018 77.0 F 56 % 29.87 in
5:51 AM MDT on July 15, 2018 75.9 F 58 % 29.88 in
6:51 AM MDT on July 15, 2018 75.0 F 62 % 29.88 in
7:51 AM MDT on July 15, 2018 77.0 F 54 % 29.88 in
8:51 AM MDT on July 15, 2018 82.0 F 41 % 29.88 in
9:51 AM MDT on July 15, 2018 84.0 F 40 % 29.89 in
10:51 AM MDT on July 15, 2018 87.1 F 37 % 29.88 in
11:51 AM MDT on July 15, 2018 90.0 F 33 % 29.88 in
12:51 PM MDT on July 15, 2018 93.0 F 29 % 29.85 in
1:51 PM MDT on July 15, 2018 93.9 F 28 % 29.80 in
2:30 PM MDT on July 15, 2018 95.0 F 26 % 30.04 in
2:38 PM MDT on July 15, 2018 93.0 F 27 % 30.03 in
2:51 PM MDT on July 15, 2018 93.9 F 26 % 29.78 in
3:45 PM MDT on July 15, 2018 96.8 F 23 % 30.01 in
3:51 PM MDT on July 15, 2018 95.0 F 24 % 29.76 in
4:39 PM MDT on July 15, 2018 82.9 F 46 % 30.01 in

Track Elevation:

feet above sea level

Air Temperature:

degrees F

Barometric Pressure:

inches Hg

Relative Humidty:

%



Density Altitude: feet
Relative Density: %

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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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