# BuildKit Calculators

> Free construction and home-improvement calculators for materials, quantities, and project planning. Calculations run in the browser from fixed, published formulas. Results are estimates and include a waste allowance. No prices are assumed.

BuildKit Calculators is an independent construction-calculator website. It is not related to Docker BuildKit.

## Calculators

- [Concrete Calculator](https://build.flixbix.online/concrete-calculator): Cubic yards, metres and bags for slabs, footings, walls, stairs and columns.
- [Gravel Calculator](https://build.flixbix.online/gravel-calculator): Volume and weight of gravel for driveways, paths and bases.
- [Mulch Calculator](https://build.flixbix.online/mulch-calculator): How much mulch to cover a rectangular or round bed.
- [Paint Calculator](https://build.flixbix.online/paint-calculator): Gallons or litres for walls and ceilings, after doors and windows.
- [Flooring Calculator](https://build.flixbix.online/flooring-calculator): Boxes of flooring to buy for any rectangular room.
- [Tile Calculator](https://build.flixbix.online/tile-calculator): Number of tiles and boxes, with grout joints and waste.
- [Fence Calculator](https://build.flixbix.online/fence-calculator): Panels and posts for open runs or closed loops, with gates.
- [Paver Calculator](https://build.flixbix.online/paver-calculator): Pavers, base gravel and bedding sand for patios and paths.
- [Roofing Calculator](https://build.flixbix.online/roofing-calculator): Roof area, roofing squares and shingle bundles from building size and pitch.
- [Cubic Yard Calculator](https://build.flixbix.online/cubic-yard-calculator): Convert area and depth to cubic yards, cubic feet, metres and litres.
- [Topsoil Calculator](https://build.flixbix.online/topsoil-calculator): Cubic yards, tons and bags of topsoil for lawns and beds.
- [Drywall Calculator](https://build.flixbix.online/drywall-calculator): Sheets of drywall for walls and ceilings, minus doors and windows.
- [Rebar Calculator](https://build.flixbix.online/rebar-calculator): Bars, total length and weight of rebar for a concrete slab grid.
- [Brick & Block Calculator](https://build.flixbix.online/brick-and-block-calculator): Number of bricks or concrete blocks for a wall, with mortar joints.
- [Fence Post Concrete Calculator](https://build.flixbix.online/fence-post-concrete-calculator): Bags of concrete per fence post and for the whole fence, with a gravel base.

## Site

- [All calculators](https://build.flixbix.online/tools)
- [Embed a calculator](https://build.flixbix.online/embed): free embeddable widgets
- [About](https://build.flixbix.online/about): what the calculators do and how accurate they are
- [Contact](https://build.flixbix.online/contact)
- [Privacy](https://build.flixbix.online/privacy)
- [Terms](https://build.flixbix.online/terms)