🔨 Category
Construction & Trade Calculators
Concrete, paint, timber, roofing, fencing, and decking material calculators for Australian tradies.
Concrete Calculator
Calculate cubic metres of concrete needed for slabs, footings, columns, and stairs, plus bags and cost.
Open calculatorPaint Calculator
Calculate litres of paint needed for a room based on wall dimensions, coats, and exclusions for doors and windows.
Open calculatorTimber Calculator
Calculate timber pieces, lengths, and cost for framing, decking, fencing, and other projects with waste factor.
Open calculatorRoofing Calculator
Calculate roofing materials (sheets or tiles), accessories, and cost based on roof area, pitch, and material type.
Open calculatorFencing Calculator
Calculate materials (posts, rails, palings/panels) and cost for timber, Colorbond, or pool fencing.
Open calculatorDecking Calculator
Calculate decking boards, joists, fixings, and cost for a new deck based on dimensions and board size.
Open calculatorLearn
Articles & guides
How Much Concrete Do You Need for a Slab? A Complete Australian Guide
Pouring a concrete slab without ordering the right amount is an expensive mistake. Here's exactly how to calculate cubic metres for any slab project in Australia.
6 · Read moreFencing Cost Guide Australia 2026: Every Fence Type Priced
Colorbond, timber, pool, retaining — fencing costs vary wildly depending on materials, height, and site conditions. Here's what Australians are actually paying in 2026.
7 · Read moreDecking Materials Calculator Guide: How Much Timber, Screws, and Posts Do You Need?
Building a deck involves more than just the boards. Here's exactly how to calculate decking materials in Australia — timber, framing, posts, screws, and hardware.
7 · Read moreHow Much Paint Do You Need? A Guide to Estimating Coverage
Underestimate and you'll be doing a mid-job run to the hardware store. Overestimate and you've wasted money on unopened tins. Here's how to get it right.
6 · Read moreRoofing Materials Guide: What to Use, How Much It Costs, and How to Estimate
Colorbond vs tile vs corrugated iron — the right roofing material depends on your climate, structure, and budget. Here's how to compare them and estimate quantities.
7 · Read moreA tool that pays for itself quickly: the Huepar 16 Lines Self-Levelling Laser ($223.65, 4.4★ from 153 reviews) is worth a look. Affiliate link
