Weather - Conversions and Calcuators

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The calculators on this page should not be used for navigational or flight planning purposes. While every effort is made to make sure the calculations are accurate, there is no guarantee that they are. You should always consult the official publications for the correct and current information. No warranty of the information is made or implied.

Note:
Celsius definition; also, Centigrade. Pertaining to or noting a temperature scale (Celsius scale) in which 0° represents the ice point and 100° the steam point. Symbol: C

Note:
The calculator should not be used for outside air temperatures (OAT) greater that 50 °F (10 °C) and wind speeds less than 4 MPH (3.5 Knots).

Determine the heat index from the outside air temperature (OAT) and Relative Humidity.

Calculate the Dewpoint from the outside air termperature (OAT) and Relative Humidity

Convert Millibars to Inches of Mercury - or - Inches of Mercury to Millibars

Did you know that your maneuvering, stall, best rate, & best angle of climb speeds change with the actual versus gross weight of the aircraft? Input any one of these speeds in the table, along with your gross weight, and actual weight of the aircraft to find the speed at your current weight!