Roof Pitch Calculator UK: Free, Step by Step

Published 6 November 2026 by Kloora Tools

Quick answer: Roof Pitch Calculator: Find the roof pitch, angle and rafter length from rise and run. Everything runs in your browser, so nothing you enter is uploaded or stored.

People search for this in many ways: "roof pitch calculator", "roof pitch calculator app", "roof pitch calculator uk", "roof pitch calculator tool". They all lead to the same job, and the Roof Pitch Calculator on Kloora Tools does it for free, with no signup, on a phone or a computer.

How to use the Roof Pitch Calculator

  1. Enter your values in the fields.
  2. The results update instantly as you type.
  3. Note or copy the numbers you need.

Open the Roof Pitch Calculator in a new tab and keep this page beside it.

Questions people ask

What is roof pitch?

Pitch is the rise per 12 units of run, such as 6/12. It describes how steep the roof is.

Is the Roof Pitch Calculator free?

Yes. It is free, needs no signup and works on any device.

Related searches for these answers include "how do you calculate pitch on a roof", "what is the roof pitch calculator".

Free and online versions

Related searches here include "roof pitch calculator app", "roof pitch calculator tool", "roof pitch calculator online", "roof pitch calculator free", "roof pitch calculator app free download". The Roof Pitch Calculator is free and runs in your browser. Instant results. Free, no signup.

More related searches

What you get

Try it now

Open the free Roof Pitch Calculator. You can also browse the Kloora Tools home page or the related guides below.

Try it now: Roof Pitch Calculator. Find the roof pitch, angle and rafter length from rise and run.

Frequently asked questions

What is roof pitch?

Pitch is the rise per 12 units of run, such as 6/12. It describes how steep the roof is.

How is rafter length found?

Rafter length = the square root of rise squared plus run squared.

Is the Roof Pitch Calculator free?

Yes. It is free, needs no signup and works on any device.

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