Free Construction & DIY Calculator Widgets
Concrete, brick, tile, flooring, roofing, stair, deck, fence, gravel, mulch, drywall and lumber widgets that turn a few measurements into material quantities, with waste allowances stated.
Try them live
Real construction & diy widgets - exactly what your visitors would see.
The live example loads when it scrolls into view.
Who these are for
Contractors, builders' merchants, hardware stores and DIY blogs that want customers to work out quantities before they order.
Common uses
- A concrete or gravel calculator on a building-supplies product page
- A tile, flooring or drywall estimate in a renovation how-to
- A stair or roof-pitch check on a carpenter's or roofer's site
How embedding works
Pick a widget, set the theme and size, copy one line of HTML and paste it into your page. It runs in its own frame, so it cannot clash with your site's styles, and it resizes itself if you use the loader.
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Concrete volume for slabs, footings, round columns or steps, with pre-mix bags and site-mix cement.
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Bricks or blocks for a wall from its size and openings, with US, UK, Indian and CMU unit presets.
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Tiles and boxes for a floor or wall from its size, the tile size, grout joint and cut waste.
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Boxes of laminate, vinyl or wood flooring by box coverage, with a waste allowance for the laying pattern.
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Roof area, squares, shingle bundles and underlayment rolls from the footprint, overhang and pitch.
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Convert roof pitch between X/12, degrees, percent grade and pitch factor, with rafter length.
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Risers, treads, total run, stringer length and angle for a straight stair, checked against IRC or UK limits.
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Decking boards, joists and screws for a rectangular deck from its size, board width, gap and joist spacing.
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Fence posts, rails, pickets and post-hole concrete bags for a run of fence with gates.
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Cubic yards or metres, tons or tonnes and bags of gravel, crushed stone or sand for an area and depth.
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Cubic yards or litres and bags of mulch, topsoil or compost for a bed, with extension depth advice.
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Drywall sheets, screws, joint compound and tape for a room's walls and ceiling.
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Board feet, cubic metres and cost for up to three lumber line items.
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How to add a widget
Open a widget, choose the theme, width and style, check the live preview, then copy the code. Paste it into an HTML or "Custom code" block on your site - step-by-step instructions for each platform.