Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Geography
River Gradient Calculator
Calculate the steepness of a river or stream in metres per kilometre. Essential for hydrologists, geographers, and kayakers assessing flow energy and erosion potential.
Fill in the required fields to see your result.
Geography
Elevation Grade Calculator
Compute the steepness of a slope as a grade percentage, an angle in degrees, or a rise/run ratio given the horizontal distance and elevation gain. Used for roads, railroads, ramps, hiking trails, accessibility ramps, and any inclined surface.
Fill in the required fields to see your result.
Key differences
| River Gradient Calculator | Elevation Grade Calculator | |
|---|---|---|
| Category | Geography | Geography |
| Inputs required | 2 | 4 |
| Result | River Gradient (m/km) | Elevation Result |
| What it does | Calculate the steepness of a river or stream in metres per kilometre. Essential for hydrologists, geographers, and kayakers assessing flow energy and erosion potential. | Compute the steepness of a slope as a grade percentage, an angle in degrees, or a rise/run ratio given the horizontal distance and elevation gain. Used for roads, railroads, ramps, hiking trails, accessibility ramps, and any inclined surface. |