Slope from Digital Level
Bidirectional between degrees, percent, and inches per foot.
Example
You enter
- Value 2
- From percent
You get
- Degrees 1.146
- Inches per foot 0.24
Checked against published worked examples from: Archtoolbox; U.S. Access Board.
Details, formula, and sources
Formula or tableBidirectional conversion: percent ↔ degrees ↔ inches per foot. tan(angle) = rise/run = pct/100; rise_in_per_ft = pct × 0.12.
Source and editionClassical trigonometry.
Free accessFree in math texts.
What governsEstimate. AHJ and licensed professional govern.
API field namesvalue, from, degrees, in_per_ft