Popular project plans
- Concrete patio: slab → gravel base → rebar
- Paver patio: pavers, base and sand → seat wall blocks
- Privacy fence: fence materials → post concrete → stain
- New lawn: topsoil → sod or grass seed
- Room makeover: drywall → paint → flooring → baseboard
- Re-roof: pitch → shingles → rainwater tank
How to get an accurate estimate
- Measure carefully. Each calculator page explains what to measure, with diagrams.
- Pick a sensible waste allowance. Defaults are set per material, and each page explains when to raise them.
- Check product data. Bag yields, densities and coverage rates are editable. Use the numbers on your product's label.
- Add it to your project. Combine results from several calculators into one printable shopping list.