Rise to Percentage Grade Converter

Exact conversion

Degrees to percent grade formula

grade = tan((deg in degrees) × π ÷ 180) × 100

1 deg equals 1.74550649 grade. 10 deg equals 17.6326981 grade.

About these units

deg
Degrees, the most common angle unit.
grade
Percentage grade, often used for slopes and ramps.

Before you use the result

deg to grade context and checks

Best use
Use angle conversions for geometry, surveying, machining, slope, and navigation notes where the source is a rotation or bearing.
Common mistake
Do not mix angular units with percent grade unless the page explicitly handles the tangent relationship.
Precision note
Keep extra digits until the final result because small angle differences can matter in layout, optics, and slope work.

Example check: 1 deg converts to 1.74550649 grade. Use this known value to sanity-check a spreadsheet, homework solution, spec sheet, or manual calculation.

Common deg to grade conversion table

deggrade
1 deg1.74550649 grade
5 deg8.74886635 grade
10 deg17.6326981 grade
25 deg46.6307658 grade
50 deg119.175359 grade

Angles & Geometry guide

How to use the Rise to Percentage Grade Converter

Convert degrees (deg) to percent grade (grade) with the exact angle formula, worked examples, and a common-values table. Use the instant result for the rise to percentage grade conversion, then check the common-value table, reverse link, and unit notes before copying the answer.

  1. 1

    Enter Rise

    Type the rise value you want to convert. Decimal values work when you need a partial unit.

  2. 2

    Read Percentage Grade

    Use the main result for the exact percentage grade value, then scan the common-value table for nearby reference points.

  3. 3

    Confirm Rise to Percentage Grade

    Confirm the rise to percentage grade unit symbols before using the number in a report, product listing, invoice, or assignment.