Home improvement material & cost calculators
EstimaHome turns your project measurements into a materials list and a cost range. Every formula is shown, every price is editable, and results update as you type.
Deck Materials Calculator
Estimates deck boards, joists, screws, footings, posts and concrete bags for a rectangular deck.
Fence Materials Calculator
Estimates fence posts, rails, pickets and concrete bags for a wood picket or privacy fence.
Concrete Slab & Footing Calculator
Calculates cubic feet and cubic yards of concrete for a slab or round footings, and the number of 60 lb or 80 lb bags.
Paint Calculator
Calculates paintable wall (and optional ceiling) area for a room and the gallons of paint and primer needed for a given number of coats.
Why use these calculators?
- Transparent math. Each page lists its formulas and a worked example.
- Your prices, not ours. Default unit prices are placeholder estimates; enter your local prices for a useful budget.
- Shareable. Results are encoded in the page URL so you can bookmark or send them.
- Machine-readable. Calculator inputs and formulas are published at /api/calculators.json and summarized in /llms.txt.