Tools

Each one opens on the calculator, with live data and the working underneath.

Make something

Poster studio

Any US airport diagram or approach plate as a print-ready vector PDF, with the weather from a day you choose.

Atmosphere

Density Altitude Pressure Altitude Cloud Base Speed of Sound

Speed

True Airspeed Mach Number

Wind

Crosswind Component Wind Correction & Groundspeed

Planning & Procedure

Time · Speed · Distance Top of Descent Climb Gradient Glide Distance Holding Entry Time Add / Subtract

Decoders

METAR / TAF Decoder

Conversion

Unit Converter

Looking for the live rankings — strongest winds, lowest ceilings, highest density altitude? They live under Infographics, and each calculator shows the slice relevant to it.

For planning and study, not for operational use. Aircraft performance comes from your POH, not from a generic formula. Every calculator page shows its formula, a worked example, and the rule of thumb next to the exact answer.