Aviation tools

Practical calculators and decoders built by a pilot. Two are live now; the rest are in the hangar. Pilotised tools are for training and reference only.

Available now

Live

METAR Decoder

Paste a raw METAR and get a plain-English breakdown of every group.

Live

Crosswind Calculator

Work out headwind and crosswind components for any runway and wind.

Live

Performance

Pull live temperature and QNH from any airport's METAR and get density altitude for each runway.

Coming soon

Coming soon

Fuel Planner

Build a fuel plan with trip, contingency, alternate and reserve fuel.

Coming soon

Mass & Balance

Check loading stays within the envelope across the flight.

Coming soon

Pressure & Density Altitude

Convert QNH, elevation and temperature into pressure and density altitude.

Coming soon

Aviation Unit Converter

Feet, metres, knots, litres, kilograms — convert the units pilots use.

Coming soon

Wind Triangle Solver

Solve heading, track and groundspeed for a given wind.