| What it does | Free construction calculators for concrete, landscaping and home projects
| Free random name picker powered by cryptographic randomness
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| Free forever with no paywalls or hidden fees.
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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
| - Cryptographically secure randomness using crypto.getRandomValues()
- Equal probability for all entries
- Remove and spin again functionality
- Recent Winners log tracking all decisions
- Built-in fairness test with 10,000 simulated spins
- No account or download required
- Works on any modern browser
- Client-side application with no data transmission
- Unlimited entries with auto-resizing segments
- Multiple wheel configurations for different use cases
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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
| - Uses cryptographic randomness instead of predictable algorithms like Math.random()
- Built-in fairness verification test that runs 10,000 spins to prove equal distribution
- Completely private with no data stored on servers or shared with third parties
- Instant results with no signup, download, or hidden costs
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 5 | 0 |
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| Citation Flow (Majestic) | 11 | 14 |
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| Referring domains (Majestic) | 2 | 3 |
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CalcQuarry
Spin the Wheel