# Magnetic compass navigation.

Calculates true, magnetic and compass course by one of the given parameters taking into account the magnetic declination and compass deviation.

This content is licensed under Creative Commons Attribution/Share-Alike License 3.0 (Unported). That means you may freely redistribute or modify this content under the same license conditions and must attribute the original author by placing a hyperlink from your site to this work https://planetcalc.com/1310/. Also, please do not modify any references to the original work (if any) contained in this content.

### Articles that describe this calculator

Magnetic declination changes over time, here you should specify the year for which the magnetic declination was determined

Value of the yearly magnetic declination change

Date of calculation

Values of magnetic compass deviation with equal intervals for every course from 0 to 360 degrees.

## Comments