⚓ Compass Deviation Calculator
Enter magnetic compass readings for 8 courses
Magnetic Compass Readings (δ)
Please fill in all fields with valid numbers
N (0°)
NE (45°)
E (90°)
SE (135°)
S (180°)
SW (225°)
W (270°)
NW (315°)
Calculate Coefficients
Deviation Coefficients
Detailed Calculations