What does the Roofing Calculator work out?

Roofing squares and bundles from your footprint. It is one of the Everyday & Tech tools on Mondo Knows.

How is the Roofing Calculator calculated?

You get an instant answer with the working shown underneath.

Do I need to sign up, and is my data stored?

No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo Knows Tools

Roofing Calculator

Roofing squares and bundles from your footprint. Use the free roofing calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

Roof footprint

sq ft

Roof pitch

/12

Waste allowance

Mondo says

Roofing squares

22.14

Roof area2,012 sq ft

Bundles of shingles67

Pitch factor1.118

Roofing Calculator: common questions

What does the Roofing Calculator work out?: Roofing squares and bundles from your footprint. It is one of the Everyday & Tech tools on Mondo Knows.
How is the Roofing Calculator calculated?: You get an instant answer with the working shown underneath.
Do I need to sign up, and is my data stored?: No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

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Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.