Skip to content
TOOLORA
Math

Perpendicular Slope Calculator

Find the slope perpendicular to a given slope.

Was this tool useful?

How it works

Fill in the 1 field above and Perpendicular Slope Calculator calculates the result instantly, recalculating as you change any value. It applies the formula m⊥ = −1 / m. The math runs locally in your browser — nothing is sent to a server.

Formula

m⊥ = −1 / m

Examples

  • Slope (m) 2 → Perpendicular slope: -0.5

Frequently asked questions

How do I use the Perpendicular Slope Calculator?

Enter your values in the 1 input field and the result is calculated automatically as you type. Change any value to see the numbers update instantly.

What formula does the Perpendicular Slope Calculator use?

It uses m⊥ = −1 / m. The calculation is performed in your browser using standard, well-established math for accurate results.

Is my data private?

Yes. The Perpendicular Slope Calculator runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.

Is the Perpendicular Slope Calculator free?

Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on math and the rest of the platform, you can use it as often as you like.

Popular in Math