| What it does | Free on-screen ruler and measuring tools with calculators
| Free online calculators for finance, health, salary, loans, and everyday decisions
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| Stage | Startup
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| Founded | 2026
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| Based in | AE
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| Pricing model | Free
| Free
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| Pricing | Free tools; RulerNest Pro (ad-free version with saved calibrations) coming soon with no pricing announced yet.
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| Key features | - On-screen ruler calibrated with bank card to 0.5 mm precision
- Unit converter for length, weight, temperature, area, volume
- BMI calculator with WHO bands
- Loan and EMI calculator with interest schedule
- Printable ruler for A4 and Letter paper
- No data collection or email required
- Offline access via service worker
| - Amortization calculator with extra payment options
- Salary converter across 8 pay frequencies
- Mortgage calculator with taxes, insurance, PMI and HOA
- Compound interest calculator with monthly contributions
- Metric and imperial unit toggles
- Offline support via progressive web app installation
- Step-by-step guides explaining calculator formulas
- Mobile responsive design supporting 320px phones
- Nine language translations with right-to-left support
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| What makes it different | - All calculations performed locally with no data sent to servers
- 23 specialized tools all in one place for measuring and everyday calculations
- Works offline and saves preferences locally on your device
- Designed specifically for United States and Canada with Imperial units as default
| - Every calculator shows its formula and worked example so results can be verified
- All calculations run locally in browser with no data collection or account required
- Formulas traced to primary sources and tested against boundary cases before publication
- Independent editorial team accountable for accuracy with no guest posts
- Corrections treated as normal work with public revision dates
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 1 |
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| Citation Flow (Majestic) | 0 | 15 |
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| Referring domains (Majestic) | 0 | 3 |
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RulerNest
Miryori