| What it does | Free construction calculators for concrete, landscaping and home projects
| Free professional construction calculators for contractors, DIYers and architects
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Square footage calculator for rooms, homes and lots
- Concrete calculator for slabs, footings, walls and columns
- Stair calculator with code checks for risers and treads
- Gravel and landscaping calculators for driveways and paths
- Roofing calculator for shingles and squares
- Deck calculator for boards, joists and screws
- Mulch calculator for garden beds in yards or bags
- Drywall calculator for sheets and screws
| - 45 specialized trade calculators
- Real-time calculation updates as you type
- PDF and Excel export with company branding
- Adjustable waste factors on all calculators
- Material rate library with regional presets
- Multi-language support in 13 languages
- Mobile-friendly responsive design
- Works offline entirely in browser
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| What makes it different | - Every formula is shown, tested and sourced
- Calculations run in your browser with no data sent anywhere
- All numbers come from named sources with citations and data sheets
- Independent and not affiliated with any manufacturer or retailer
| - No sign-up, no account required
- Privacy-first: all calculations run locally in browser
- Industry-standard formulas from ACI, NEC, and IRC codes
- Professional exports ready for client bids and supplier orders
- Customizable material rates that sync across all calculators
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 5 | 0 |
| Citation Flow (Majestic) | 11 | 13 |
| Referring domains (Majestic) | 2 | 1 |