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 & Distance Calculator
Pick any two airports and get the great-circle distance and an estimated flight time. No schedules, just the math.
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 & 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 →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.