| What it does | Free online calculators for finance, taxes, and healthcare decisions
| Date, deadline and time calculators with visible assumptions and sources
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| Stage | Not given
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| Founded | Not given
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| Based in | US
| US
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| Pricing model | Free
| Free
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| Pricing | Not given
| Not given
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| Key features | - RSU tax estimation
- ESOP value calculator
- Dental implant cost estimator
- Markup calculator
- Reverse sales tax calculator
- Share incentive plan calculator
- Mobile-friendly interface
- Transparent calculation breakdown
- Real-time results
| - 184 calculators across 53 categories
- Shows counting rules and assumptions with each result
- Local-first processing with no data sent to servers
- Holiday and weekend calendar selection
- Business day counting
- Date arithmetic (add or subtract days, weeks, months, years)
- Sleep cycle planner with NIH-based 80-100 minute cycles
- Time zone conversion with DST handling
- Save results as images or add to calendar
- Schengen visa 90/180 day rolling window auditing
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| What makes it different | - Completely free with no hidden fees or paywalls
- No data storage or tracking of personal information
- Instant results without sign-up required
- Plain language explanations with no jargon
- Formulas verified and tested against real-world scenarios
| - Shows the source and counting rule beside every answer
- No sign-up or account required to use any calculator
- All inputs stay in your browser for privacy
- Comprehensive coverage across 53 life and work categories
- Higher-risk calculators include prompts to verify with professionals
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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) | 1 | 0 |
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| Citation Flow (Majestic) | 8 | 0 |
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| Referring domains (Majestic) | 4 | 0 |
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