| What it does | Free online calculators for money, work, health, and home projects
| 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 | Not given
| US
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - 102+ calculators across 8 categories
- Construction and home improvement tools
- Finance and investment calculators
- Health, fitness and cycle tracking
- Work time and payroll tracking
- Date and age calculations
- Kitchen measurement conversions
- Mobile responsive design
- Browser-based calculations with no data storage
- Transparent formulas and assumptions
| - 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 | - No signup, registration, or account creation required
- Client-side calculations with no data storage or transmission
- Completely free with no hidden fees or subscriptions
- Accessible on mobile and desktop with responsive design
- Large collection of 102+ calculators across diverse categories
| - 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) | 15 ▼ −3 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 9 | 0 |
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| Citation Flow (Majestic) | 20 | 0 |
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| Referring domains (Majestic) | 27 | 0 |
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