Free Roofing Calculators That Actually Work

Free roof pitch calculator for Australian builds. Convert between roof angle in degrees, rise/run and rafter length. Get the slope factor for accurate on-slope area to AS 2050.

Estimate 2026 Australian roof repair cost by scope, material, age, height, access, council permits and skip — itemised from a single tile replacement through structural sarking work.

Free Australian roof tile and sheet calculator. Calculate Colorbond corrugated sheets, Klip-Lok standing seam, concrete tiles, terracotta tiles and shingles in pieces and pallets per m².

Estimate 2026 Australian tile roof installation cost by line item: concrete, terracotta, slate, or synthetic composite, with strip-out, sarking, AS 2050 battens, mortared or dry ridge, valley flashing, structural reinforcement, council consent and skip disposal. Real 2026 ARC and Master Builders contractor rates.

Estimate 2026 Australian gutter guard cost per linear metre — Colorbond steel mesh, perforated, foam, brush, hood, or stainless micromesh. ARC and hipages rates adapted to Quad / Half-round profiles and BAL bushfire ember-attack ratings.

Estimate Australian 2026 polycarbonate patio, pergola and carport roof cost (Suntuf, Laserlite 3000, Palram Sunglaze, Macrolux multi-wall) by area, sheet type, tint, glazing-bar length, batten subframe and storey. Sized to AS/NZS 4256.5, AS 1562.3 and AS/NZS 1170.2 wind zones.

Size stick-built common rafters to AS 1684.2/.3/.4 with snow load, count and 2026 timber prices in AUD. F7 / MGP10 catalogue.

Free roof area calculator for Australian projects. Get on-slope area in m², Colorbond sheet count, tile quantities and sarking rolls based on footprint and pitch in degrees. AS 2050 compliant.

Calculate top-up depth, batt count and material cost for ceiling insulation. NCC 2022 R5.0 climate-zone targets, glasswool, polyester, cellulose.