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General / Geometry
Slope / Gradient Calculator
Convert rise and run, angle, percentage grade and 1-in-N gradient ratios.
Known gradient
Gradient conversion
Rising grade10%
5.71059° from horizontal
- Percentage grade
- 10%
- Angle
- 5.71059°
- Ratio
- 1 in 10
- Decimal gradient
- 0.1
- Slope length
- 10.04988 m
- Rise per 1 run
- 0.1
Percentage grade is rise ÷ horizontal run × 100, not the angle percentage. Negative values represent a fall in the selected direction.