# Free Roof Area Calculator — Estimate Your Roof Size in m² | Roof Builder Resources

> Calculate your roof area in m², roofing squares, and tile quantities for any roof shape. Instant result — no signup needed. Covers all common Malaysian roof pitches.

URL: https://roofrepairpj.my/tools/roof-area-calculator/

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# Roof Area Calculator

Estimate your total roof area in m², roofing squares, and the number of tile bundles needed — instantly. Covers gable, hip, and flat roofs with standard Malaysian pitches.

### Roof Area Calculator

Estimate your total roof area for repair, replacement, or material ordering. Works for gable, hip, and flat roofs.

Calculation MethodFrom House Footprint (Length × Width)From Roof Dimensions

Building Length (m)

Building Width (m)

Roof Pitch(Steeper roofs have more surface area)Flat / Low-slope (0–1/12)Low (2/12)Low-medium (3/12)Medium (4/12)Medium (5/12)Medium-steep (6/12) — Common in MalaysiaSteep (7/12)Steep (8/12)Very steep (10/12)Very steep (12/12)

Waste / Overlap Factor10% — Simple roof, few cuts15% — Standard (recommended)20% — Complex roof, many valleys25% — Very complex, many dormers

#### Get a Professional Roof Estimate

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