Tools
Aviation calculators for the curious. Pick two airports and get real numbers back: distance, estimated flight time, and more to come. Everything here runs in your browser. No sign-up, no API calls, no waiting.
Flight Time Calculator
Pick any two airports and get an estimated flight time, plus the local time and date you land. No schedules, just the math.
Open the tool →Flight Distance Calculator
Measure the great-circle distance between any two airports in miles, kilometers and nautical miles, plus the heading a plane starts out on.
Open the tool →Jet Lag Calculator & Recovery Planner
Pick your route and get a day-by-day plan for sleep and light timing, grounded in real chronobiology.
Open the tool →Arrival Time Calculator
Pick your route and departure time, and find out what time you'll actually land, local time at your destination.
Open the tool →Mach and Altitude Converter
Convert airspeed to Mach number and back at any altitude, using the real ISA atmosphere model. Plus feet, meters, and flight levels.
Open the tool →Airspeed Converter: IAS, TAS and Mach
Turn indicated airspeed into true airspeed and Mach at any altitude, and find the crossover altitude where a climb speed meets its target Mach.
Open the tool →Registration & Airline Code Decoder
Paste a tail number or airline code and find out the country it's registered in, or the airline and radio callsign behind the code.
Open the tool →Flight Fuel & CO2 Estimator
Pick a route and aircraft class and get an honest range for fuel burned, total CO2, and the per-passenger footprint.
Open the tool →Airport data from OurAirports (public domain) and mwgg/Airports (MIT License), trimmed to airports with scheduled service.
More tools are on the way
One email when a new one ships, and the odd thing worth reading.