Weather Conversion Calculators
The Calculators do not work in Netscape while in frames.
If using Netscape and within a frame,
right click and open frame in new window.
 
Written By Mr. Milt Kooyman, SAIC, Shaw OWS
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

 

Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Speed Conversion Calculator
Meters per
Second		 Kilometer
per Hour		 Miles per
Hour		 Knots per
Hour
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Pressure Conversion Calculator
Standard
Atmosphere		 Inches of
Mercury		 Millimeters
of Mercury		 Millibars
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Weight Conversion Calculator
Grams Kilograms Ounces Pounds Troy
Pounds
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Volume Conversion Calculator
Liters Fluid
Ounces		 Quarts Gallons Imperial
Gallons
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Wind Chill Calculator
Temperature (Fahrenheit)
Wind Speed (Knots)

Wind Chill  
New Wind Chill
New NWS Formula (Nov 2001)		  

New Wind Chill Chart
NOTE:
Speeds of 4 knots per hour or less have little effect on the old wind chill,
and
Speeds of 3 knots per hour or less have little effect on the new wind chill.
 

Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Surface - Cross / Head / Tail Wind Calculator
Type in the following
information		 Runway
(i.e. 220)		 Wind Direction
(i.e. 270)		 Wind Speed
Knots

The Crosswind is
Knots		 The Head(+) / Tail(-) wind is
Knots

Flight Level - Cross / Head / Tail Wind Calculator
Type in the following
information		 Aircraft Heading
(i.e. 220)		 Wind Direction
(i.e. 270)		 Wind Speed
Knots

The Crosswind is
Knots		 The Head(+) / Tail(-) wind is
Knots
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Temperature Calculator
Enter the
Temperature
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Relative Humidity Calculator
Temp oF Dew Point oF %
Temp oC Dew Point oC %
Calculate Dew Point from Temp and Relative Humidity
Temp oF Rel Humidity % oF Dew Point
Depression		 oF
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Heat Stress Index Calculator
Temp oF Relative Humidity Dew Point oF =
OR
Temp oF Dew Point oF Relative Humidity =

Fighter Index of Thermal Stress
Temp oF Dew Point oF
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Height and Temperature D-Val Calculator
Enter Forecast Altimeter Setting for Altitude Variation
(Remember to estimate high.)		 Ex.
29.92
Level Std Height Enter
Actual Height		 Std Temp Enter Actual
Temp (°C)		 Height (ft)
D-Val		 Temp (°C)
D-Val		 Altitude
Variation
1000 MB 364 ft / 111 m ft or m +14.2 oC
925 MB 2498 ft / 762 m ft or m +10.0 oC
850 MB 4781 ft / 1458 m ft or m +5.7 oC
700 MB 9882 ft / 3013 m ft or m -4.6 oC
500 MB 18289 ft / 5576 m ft or m -21.2 oC
400 MB 23574 ft / 7187 m ft or m -31.8 oC
300 MB 30065 ft / 9166 m ft or m -44.6 oC
250 MB 33999 ft / 10366 m ft or m -52.3 oC
200 MB 38662 ft / 11787 m ft or m -56.4 oC
Atmosphere
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Pressure Altitude Calculator
Enter Field Elevation (feet) or  
(Does not work in Netscape)
ALSTG .00 .01 .02 .03 .04 .05 .06 .07 .08 .09
29.40
29.50
29.60
29.70
29.80
29.90
30.00
30.10
30.20
30.30
30.40
30.50
 
Distance Speed Pressure Weight Volume Wind Chill Cross/Tail Wind Temperature Humidity Heat Index H/T D-Val Press Alt Density Alt

Density / Pressure Altitude Calculator
Enter the following information:
Temp (oF) Dew Point (oF) ALSTG (30.04) (in)
  or Stn Elev (Ft)
Density Alt = (ft) (m) Station Press
(mb)
Press Alt = (ft) (m) Virtual Temp
(oF)

ALSTG = Altimeter Setting or "Barometer"