| What it does | Time duration calculator for hours, minutes, and dates
| Free home and garden material calculators that run in your browser
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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
| - Landscape calculators for gravel, topsoil, sand, pavers and raised beds
- Grass seed and fertilizer calculators with nitrogen targets and N-P-K analysis
- Fence, deck, roof pitch, paint and retaining wall calculators
- US and metric units with bag counts and product weights
- Formulas and sources listed on every tool page
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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
| - All math runs in your browser with no data uploaded to any server
- Formulas and sources are fully documented and transparent
- No signup required to use any calculator
- Sources verified against manufacturer yields and university extension guidance
- Completely free with no paid plans or premium features
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 30 ▲ +30 (up) since last check | 3 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 18 | 0 |
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| Referring domains (Majestic) | 2 | 0 |
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Timespanly
YardTally