Roofing Tools & Calculators
Free planning tools for homeowners and renovators across South East Queensland. Estimate roof area, sheet counts, gutter sizing, ballpark costs, pitch conversions and fastener quantities before you book a measure.
Build & Price
Full pricing tool: map measure, profile, colour, storeys and competitive SEQ estimate on one page.
Open pricing →Measure Roof on Map
Find a property on satellite imagery, draw the roof outline and get m² for the cost estimator.
Open map tool →Roof Area Calculator
Estimate roof surface area from plan dimensions and pitch — essential before sheet or cost estimates.
Open calculator →Roof Sheet Quantity Calculator
Convert roof m² into an approximate Colorbond / metal sheet count with waste allowance.
Open calculator →Gutter Size Calculator
Size gutters and downpipes from roof catchment and design rainfall — built for SEQ storm planning.
Open calculator →Roof Cost Estimator
Rough AUD cost bands for repairs, re-sheet, full replacement, gutters and cladding in SEQ.
Open calculator →Roof Pitch Converter
Convert pitch between degrees, rise:run and percent — plus the area factor for material take-offs.
Open calculator →Roof Screw & Fastener Calculator
Estimate screw counts from area, purlin spacing and fixings across the sheet cover width.
Open calculator →Popular searches these tools answer
- Measure my roof on Google Maps / satellite in m²
- How many m² of roofing do I need for my house?
- How many Colorbond sheets for my roof?
- What size gutter for Queensland storm rain?
- Rough cost to replace a metal roof in Brisbane?
- Convert roof pitch from degrees to rise-over-run
- How many roofing screws per m²?
Pair tools with our service pages: Colorbond roofing, roof replacement, gutters & box gutters.
Ready for real numbers on your roof?
Calculators get you close. A site visit locks materials, flashings and price.
Call 0411 510 699 Book inspection