Power Calculators

│ Vertical Line Equation Calculator

Find the equation of a vertical line through a given x-coordinate.

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Fill in the details and click Calculate to see your results.


Also available in our Android app, with charts and full breakdown tables.

📘 About the Vertical Line

Find a vertical line equation from its x-coordinate.

🧮 Formula

Equation
x = c

Where

  • c = fixed x-coordinate
Vertical line: x = c.

✏️ Worked example

Vertical line at x = 5

You enter
X Coordinate5
You get
Vertical line x =5

The line is x = 5.

Try this example →

🧭 How to use this calculator

What you enter

  • X Coordinate

What you get

  • Vertical line x =

💡 Common uses

  • Coordinate geometry homework and revision
  • Analytic geometry calculations
  • Checking graph and line calculations

❓ Frequently asked questions

What is the slope of a vertical line?

It is undefined.