**Coterminal angles**are angles that share the same initial side and a terminal side. It’s easy to find coterminal angles by simply adding or subtracting 360° or 720° to each angle.

To find the coterminal angles for a given angle, simply enter the value of the angle below and then click the “Calculate” button.

Positive coterminal angle with 360° :

**400°**Positive coterminal angle with 720° :

**760°**Negative coterminal angle with 360° :

**-320°**Negative coterminal angle with 720° :

**-680°**