Magnetic declination calculator
Note that the updated IGRF-12 (2015) model has been implemented in the magnetic field calculations of this tool.
This calculator may be used to calculate the magnetic declination for a specified location and date based on the International Geomagnetic Reference Field model.
Learn how to use the magnetic declination with a compass.
Other components of the magnetic field may be calculated using the magnetic field calculator.
Please contact Geomag-Info for information on the magnetic calculator web service and batch processing.