Coordinate tools

Molodensky Transformation

Use Molodensky Transformation online for free. Adjust the available options and process your data locally in your browser, with no installation or sign-up.

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Your data is processed only in your browser

Features and usage

Enter your content or choose the options above, then review the result. Tool calculations run locally in your browser.

Available options

  • dX (m)
  • dY (m)
  • dZ (m)
  • Target semi-major axis difference da (m)
  • Target flattening difference df

Scope and limitations

Uses the full Molodensky approximation with WGS84 as the source ellipsoid. Use away from the poles.

Reference

Example input
116.3913 39.9075 50
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