What can I convert with the slope grade converter?

A slope value to percent grade, degrees and 1-in-X ratio formats, or enter a percent grade or angle directly.

How do I use the slope grade converter?

Enter the rise and run, or enter a percent grade or angle; results update live as you type with no button press.

Yes, it is free, runs in your browser and needs no signup.

Enter a slope and instantly convert it to percent grade, degrees, and 1 in X ratio formats.

Rise

Run

Or Enter Percent Grade (%)

Or Enter Angle (degrees)

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Percent grade = rise/run x 100. A 100% grade means 45 degrees, not 200%. The common standard for a wheelchair ramp is 1:12 (8.33%).