geometry calculator

Slope Angle Calculator

Slope Angle Calculator for measurement cleanup, plan review, and shape estimation when you want a fixed formula answer without improvising the math by hand.

Important Use Notice

Informational calculator only. Verify important outputs independently before legal, tax, medical, engineering, safety-critical, contractual, employment, or compliance use.

Estimate

Enter job values, review the estimate, then use the decision hints before ordering or quoting.

Estimate Results

Enter values to see the result.

Formula

angle = arctan(slope)

Take the inverse tangent of the slope to convert rise-over-run into an angle.

This page returns the angle in degrees.

Example

1. 5 gives Angle 56. 3099.

Check

Mixing units, scales, or coordinate conventions across slope before calculating angle.
Rounding too early when the result still feeds another geometry or algebra step.

Next Step