Reference

Units

One reading, expressed however your trade expects it. Conversions run locally in the browser.

Degrees °
360° in a full turn. The default.
Radians rad
π radians in a half turn. Engineering and math.
Gradians gon
400 in a full turn. Surveying.
Percent slope %
Rise ÷ run × 100. Roads and ramps.
Roof pitch x:12
Rise over 12 units of run. Roofing.
DMS °′″
Degrees, minutes, seconds. Navigation.