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Travel, Maps & Coordinates

Initial Bearing Calculator.

Coordinates, GeoJSON and preview data remain in this browser. Calculate initial and final bearings between two coordinates. Uses explicit geospatial assumptions and independent local verification.

Use Initial Bearing Calculator

Private in this browser. Coordinates and GeoJSON stay in this browser.

Tool options
Preparing the local tool…

How it works

  1. 01

    Enter coordinates or bounded GeoJSON.

  2. 02

    Run the local calculation, validation or preview.

  3. 03

    Review datum, order, precision and accuracy limits.

Frequently asked questions

Is this suitable for navigation or surveying?

No. It is a bounded planning calculation using the stated model and precision.

Does Initial Bearing Calculator upload my data?

Initial Bearing Calculator runs locally in your browser. Coordinates and GeoJSON stay in this browser.

What output does Initial Bearing Calculator create?

Initial Bearing Calculator creates Json output after the result passes its local verification checks.

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