| What it does | Time duration calculator for hours, minutes, and dates
| Free calculators that run in your browser, with the formula next to the result
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| Stage | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Calculate elapsed time between two times or dates
- Handle shifts that cross midnight
- Support for multiple time formats: h:mm:ss, decimal hours, and total minutes
- Account for daylight saving time with timezone selection
- Add up to 20 time spans together
- Run calculations in browser with no data storage
- Pre-calculated common work shifts for reference
- Calculate hours worked with unpaid break deductions
- Show results in multiple formats for different use cases
| - Real-time calculation results
- Formulas shown beside results
- Step-by-step explanations
- Browser-based with no installation required
- Expert-written blog guides
- Mobile-friendly design
- Keyboard navigation support
- 70+ calculators across 18 categories
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| What makes it different | - All calculations verified against 100+ automated tests before each release
- Handles edge cases like midnight crossings, month-end dates, and daylight saving
- Built by a single developer who personally checks every result
- No server storage or tracking of user inputs
- Comprehensive methodology page explains all calculation rules
| - No account sign-up or paywall required
- Calculations run instantly in your browser with no waiting
- Data stays on your device and is never stored or sold
- Every formula verified against trusted academic and industry sources
- Free forever with no premium tier
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 30 ▲ +30 (up) since last check | 6 ● no change since last check |
| Trust Flow (Majestic) | 1 | 2 |
| Citation Flow (Majestic) | 18 | 16 |
| Referring domains (Majestic) | 2 | 31 |