Creators
Rojony Khatun Author
Rojony Khatun
CalculatorToolsProjectExpert
Reviewers
Małgorzata Koperska, MD Steven Wooding
Last updated: November 26, 2025

Slope Calculator | Find Gradient, Rise, Run & Angle of Line

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Slope

Slope

Calculate the slope, rise/run, and angle of a line from two points. Use this Slope Calculator for math, engineering, and physics problems online.

line equation slope calculator

A Slope Calculator is a tool that assists users in finding the slope, rise, run, and the angle of a line given two points. It immediately calculates the gradient by entering coordinates, and is therefore necessary in applications of geometry, engineering, and physics.

coordinate slope calculator

The Slope Calculator is an online tool that computes the slope (gradient) of a line using two points or rise over run. By entering the coordinates of two points \( \) the calculator instantly provides the slope using the formula:

\[ \]

Additionally, it can provide the rise, run, and angle of the line in degrees. This tool is useful for students, engineers, architects, and designers who need accurate line slope calculations for math problems, construction, physics, or engineering projects. It saves time, reduces manual errors, and provides instant results. The interface is simple, responsive, and requires no installation.

Work, Installation, Input to Output

Work:

  • Accepts two points (x₁, y₁) and (x₂, y₂).
  • Calculates slope using \( m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}} \)
  • Computes rise, run, and angle in degrees.
  • Displays results instantly.

Installation:No installation required; works in any modern web browser.

Input:

  • x₁, y₁ (first point)
  • x₂, y₂ (second point)

Output:

  • Slope (m)
  • Rise
  • Run
  • Angle in degrees

Testing and Final Adjustments

Negative, positive and decimal coordinates. Confirm calculations by the slope formula. Division of zero when x 1 = x 2 gracefully. Check that the results of decimals are rounded off. Mobile and desktop responsiveness to tests. Post real-time updates when the inputs vary. Present results in a clear and unitary manner. Maximize UI and make it clear, fast, and easy to use. Included instructions on how to enter two points to calculate the slope. A small graph may also be visualized in order to demonstrate rise and run.

Frequently Asked Questions - Slope:

What is a Slope Calculator?

A tool to calculate the slope, rise, run, and angle of a line.

How do I use it?

Enter two points of a line to find its slope and angle.

Which formula is used?

Slope m = (y₂ - y₁) / (x₂ - x₁).

Is it free?

Yes, the Slope Calculator is completely free online.

Can I use it on mobile devices?

Yes, it is fully responsive and works on all devices.

Does it provide instant results?

Yes, calculations are displayed instantly upon input.

Who can use this tool?

Students, engineers, architects, and designers.

Can it handle decimal coordinates?

Yes, it supports decimals and negative numbers.

Does it handle vertical lines?

Yes, it will indicate an undefined slope for vertical lines.

Why is it useful?

It saves time, ensures accurate calculations, and aids geometry, physics, and engineering tasks.

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Rojony Khatun

Rojony Khatun

Calculator Tools Project

Rojony Khatun is the creator of a free online tools website designed to simplify everyday and engineering-related calculations for students, professionals, and hobbyists. The platform offers a wide variety of basic and advanced calculators across key categories, including Electrical Calculators, Electronic Calculators, and Time & Date Calculators, helping users solve problems quickly and accurately.