Slope Calculator

From two points get the slope, the line's equation, the distance between the points and their midpoint. Runs in your browser.

Runs in your browser — your file never leaves your device

Frequently asked questions

Is Slope Calculator free to use?

Yes — Slope Calculator is completely free with no limits, no watermarks and no sign-up. It runs in your browser, so there is nothing to pay for.

Are my files uploaded or stored anywhere?

No. This tool does all its work locally in your browser using your own device's power. Your files never leave your device and we never see them.

Do I need to install anything or create an account?

No installation and no account needed. Slope Calculator works on any modern browser — Windows, Mac, Linux, Android and iPhone.

How do I use Slope Calculator?

Open the tool, add your file (or paste your content), adjust any options, then press “Calculate slope”. Your result is ready to download in seconds.

Averages where some values count more.

Decimals, significant figures, or nearest N.

0.00034 ↔ 3.4 × 10⁻⁴.

Marks → percentage + SSC/HSC grade band.

Invert a photo's colours (negative).

Array of objects → a real .xlsx.