Projects

Start With the Project, Not the Tool

Pick what you're working on. Each project pairs the right calculator with the guides that explain it — so you know what you're buying, and why, before you spend anything.

Popular Home Projects

Pour a Patio or Shed Pad Slab thickness, gravel base, rebar and the bags-versus-truck decision. Start with: Concrete Calculator Read: How Much Concrete Do I Need Also read: Slab Thickness Guide

Paint a Room Coverage, coats, primer and the door/window deductions that save paint. Start with: Paint Calculator Read: How Much Paint Do I Need Also read: Paint Sheen Guide

Tile a Floor or Bathroom Layout patterns, waste by pattern, thinset and grout in one place. Start with: Tile Calculator Read: How Much Tile Do I Need Also read: Layout Patterns

Drywall a Room or Wall Sheet sizes, screw counts, tape and compound — with delivery math. Start with: Drywall Estimator Read: Drywall Sheet Sizes Also read: Compound Quantities

Refresh the Garden Beds Depth by purpose, bed area, and the bulk-versus-bags price check. Start with: Mulch Calculator Read: How Much Mulch Do I Need Also read: Mulch Depth Guide

Plan Home Solar Usable roof area, panel count, system size and annual production. Start with: Solar Sizing Calculator Read: see the worked example inside

The Honest Bit

These six projects cover the calculators that are tested and live today. Kitchen & bathroom planning and home maintenance tools — electrical loads, pipe volumes, seasonal checklists — are being built to the same standard: show the maths, state the assumptions, keep it in plain English.

In the meantime, the field guides cover planning fundamentals that apply to almost any project: measuring properly, allowing for waste, and knowing when a job needs a professional.