Aviation Hourly Fuel Consumption Calculator: This calculator is to determine the fuel (Aviation Gasoline or Jet A) requirements of a flight (requires JavaScript support).

Weather & Speed Calculators: Provides temperature, wind chill, heat index, humidity and Speed unit (MPH to KPH to Knots to M/S) conversions.

Calculate Distance: This service uses the University of Michigan Geographic Name Server and a supplementary database of world cities to calculate the distance between two cities (as the crow flies). It also provides a map showing the two places, using the Xerox PARC Map Server.

Sun & Moon Times: Obtain the times of sunrise, sunset, moonrise, moonset, transits of the Sun and Moon, and the beginning and end of civil twilight, along with information on the moon's phase by specifying a date and place (by U.S. Naval Observatory).

Standard Atmosphere: Compute properties such as Temperature, Dynamic Pressure, Density, Speed of Sound, Mach Number, Viscosity, etc.. (requires JavaScript support).

Atmosphere Calculations: This calculates dewpoint, relative humidity, wind chill, heat index, and others (requires JavaScript support).

Online Calculator - General Math: Basic calculator (requires JavaScript support).

Airflow Calculator: Convert airflow from an alternate depression (requires JavaScript support).

Angle Calculator And Converter: This calculator and converter can be useful on all types of angle conversions (requires JavaScript support).

Atmospheric Conversions: A useful English or Metric astmospheric conversion calculator (requires JavaScript support).

Aviation Barometer Converter Table: A table which lays out the conversions for Barometric units.

Aviation Density Altitude Calculator: A clculator to find the density altitude using temperature, dew point/relative density, and atmospheric pressure (requires JavaScript support).

Aviation E6B Computer Emulator: This calculator emulates some of the capabilities of the popular E6B flight computer (requires JavaScript support).

Aviation Runway Crosswind Calculator: This calculator is to determine the subjected speed of runway crosswinds on an aircraft (requires JavaScript support).

Carburetor CFM Calculator: Use this calculator to calculate the required CFM of a carburetor (requires JavaScript support).

Individual Degrees, Minutes, Seconds, Radians And Decimal Degrees Calculators: These calculators are for decimal degrees and radians conversions, bi-directionally, and only minutes and seconds in bi-directional calculation for decimal degrees (requires JavaScript support).

Density Altitude Calculator: This Density Altitude Calculator determines how the air density is affected by the temperature and humidity of the air (requires JavaScript support).

Distances Between Longitude And Latitude Points: This calculator to determine the distance between two different points of longitude and latitude (requires JavaScript support).

Engine Compression Ratio Calculator: Using various engine related data, calculate the engine compression ration of your aircraft (requires JavaScript support).

Fuel Injector Flow Rate Calculator: Use this calculator to find the fuel flow rate of your fuel injectors (requires JavaScript support).

Flow Rate Converter: Calculate the volume of flow of an amount of a liquid or gas which passes a fixed point in a given time (requires JavaScript support).

Meteorology Conversion Factors Table: Use this table to convert from various atmospheric values to other atmospheric values.

Metric - English Energy Converter: (requires JavaScript support).

Metric - English Force Converter: (requires JavaScript support).

Metric - English Length Converter: (requires JavaScript support).

Metric - English Mass Converter: (requires JavaScript support).

Metric - English Power Converter: (requires JavaScript support).

Metric - English Pressure Converter: (requires JavaScript support).

Metric - English Volume Converter: (requires JavaScript support).

Metric - English Weight Converter: (requires JavaScript support).

Minutes, Seconds And Decimal Degrees Calculator: This calculator is designed for only minutes and seconds in bi-directional calculation for decimal degrees and is for calculations of less than 1 degree by intent. It can be used for larger amounts as long as you understand the required entry and values returned (requires JavaScript support).

Monthly Display Perpetual Calendar: A monthly calendar which can be used to calculate the date in any year A.D. (requires JavaScript support).

Pressure Conversion Table: Use this table to convert units of pressure.

Pump PSI Calculator: Use this calculator to calculate the PSI travelling through a pump (requires JavaScript support).

Time Designation Converter: Use this calculator to convert between almost every designation of units of time (requires JavaScript support).

Unit Time Converter: Use this calculator to convert between one units of time and a host of others (requires JavaScript support).

Time Zone Converter: Find out the time in every time zone, real-time (requires JavaScript support).

A Different Approach To Time Zone Calculations: A calulator to help you find the time in almost any country (requires JavaScript support).

Volume Calculator: Determine the volume of an object using this calulator (requires JavaScript support).

Volume and Measurements Converter: Convert units of volume to most other units of volume with this calculator (requires JavaScript support).