Coordinate Transformation Calculator

The Coordinate Transformation Calculator is a utility which can be configured as part of a user profile. Coordinate Reference Systems are stored in the GB_COORD_SYSTEM table.

1. Select reference system A and enter input coordinates.
2. Select reference system B and enter input coordinates.
3. Click one of the Calculate buttons to calculate the transformed coordinates from A to B or from B to A.

Example 1 - Datum conversion WITHOUT transformation grid:

Example 2 - Datum conversion WITH transformation grid:

Example 3 - Local grid to UTM