| What it does | Free financial calculators for certificates of deposit, mortgages, retirement, and loans with charts and schedules
| Free construction calculators for concrete, landscaping and home projects
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| Stage | Startup
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| Founded | 2026
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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 | - Certificate of deposit calculator with growth projections and tax-adjusted returns
- Mortgage and real estate calculators including refinancing analysis
- Retirement planning tools for 401(k), IRA, pension, and Social Security
- Loan and debt payoff calculators
- CSV export and print functionality
- Transparent formulas documented on every calculator page
- Over 70 calculators across six financial categories
| - 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
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| What makes it different | - All calculations run locally in your browser with no data stored on servers
- Completely free with no sign-up, account, or paywall required
- Independent with no product recommendations or paid placements
- Transparent formulas allow verification against spreadsheets or bank statements
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ▼ −1 (down) since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 9 | 5 |
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| Citation Flow (Majestic) | 9 | 11 |
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| Referring domains (Majestic) | 27 | 2 |
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CDCalculator
CalcQuarry