How this calculation works
Continue a phase sequence across a wrap boundary by selecting the nearest equivalent angle.
THE FORMULA
Add a multiple of 360° that minimizes the step from the previous angleA worked example
After 170°, a reading of −175° unwraps to 185°.
Good to know
Assumes the true phase changes by no more than half a turn.
Reference: OpenStax Algebra and Trigonometry (opens in a new tab) ↗
Read the result
Continue a phase sequence across a wrap boundary by selecting the nearest equivalent angle.
The primary result is labeled “Nearest unwrapped angle (°)”. Keep the input definitions in view when comparing this result with another method.
Try a related calculation
Assumes the true phase changes by no more than half a turn.
For a related exercise, try the quadratic equation solver.
A few questions, answered
How can I check the default inputs by hand?
After 170°, a reading of −175° unwraps to 185°.
Which rule does this calculator apply?
Add a multiple of 360° that minimizes the step from the previous angle