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Online equation of a line calculator

This online calculator will help you to find the equation of a line.

Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to find the equation of a line.

  • Calculator
  • Guide
  • Some theory

Equation of a line calculator


Select necessary for you dimension:


Input points coordinates:

A: (
B: (

You can input only integer numbers, decimals or fractions in this online calculator (-2.4, 5/7, ...). More in-depth information read at these rules.

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