Home project guides
Detailed, practical explanations for measuring, calculating quantities, understanding formulas and avoiding common estimating mistakes.
Paint Calculator Guide
How to calculate wall area, subtract doors and windows, account for coats and use paint coverage.
Read the guide →Flooring Calculator Guide
Measure floor area, add waste and convert the requirement into whole boxes.
Read the guide →Tile Calculator Guide
Measure tiled areas, calculate tile coverage and allow for cuts and breakage.
Read the guide →Concrete Calculator Guide
Calculate slab and pad volume in cubic metres and litres.
Read the guide →Mulch Calculator Guide
Calculate garden-bed mulch volume, depth, litres and bag quantities.
Read the guide →Topsoil Calculator Guide
Learn how to calculate topsoil for garden beds and lawns, including depth, litres and ordering allowances.
Read the guide →Soil Calculator Guide
Estimate soil volume for garden beds and raised beds, including depth and settling.
Read the guide →Gravel Calculator Guide
Estimate gravel volume and approximate tonnes using material density.
Read the guide →Fence Calculator Guide
Estimate panels and posts while accounting for gates, spacing and extra posts.
Read the guide →Deck Calculator Guide
Estimate decking boards, linear metres and approximate joist count.
Read the guide →Paver Calculator Guide
Calculate paver quantities for patios, paths and other rectangular areas.
Read the guide →Area Calculator Guide
Learn how to calculate square metres and split irregular spaces into sections.
Read the guide →Volume Calculator Guide
Calculate rectangular volume in cubic metres and litres.
Read the guide →More project guides
How to Calculate Square Metres
Learn the m² formula, unit conversion and simple ways to measure areas for home projects.
Read guide →How to Calculate Drywall
Measure wall area, account for openings and estimate board sheets.
Read guide →How to Calculate Sand
Turn area and depth into cubic metres and plan an allowance.
Read guide →How to Calculate Paver Base
Estimate the base volume beneath a simple paved area.
Read guide →How to Estimate Roofing Area
Understand footprint area, pitch factors and waste.
Read guide →