Lat/Long/Height to ECEF Converter
A free, browser-based converter. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserhard
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter latitude, longitude and ellipsoidal height.
- Press Convert.
- Read the ECEF X, Y and Z coordinates.
How it works
Converts geodetic WGS84 coordinates to Earth-Centred, Earth-Fixed (ECEF) Cartesian X/Y/Z — used in GNSS and 3D geodetic calculations.
Worked example
Point at 50 m height. Returns its X, Y, Z in metres from the Earth's centre.
Frequently asked questions
What is ECEF used for?
Satellite positioning (GNSS), coordinate transformations and 3D vector maths use ECEF Cartesian coordinates.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.