| What it does | Free time card calculator for tracking work hours, overtime and pay
| Free Karvonen formula heart rate zone calculator
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Calculate weekly or biweekly hours from clock in and clock out times
- Subtract unpaid breaks and meal times automatically
- Handle overnight shifts that end after midnight
- Calculate overtime pay at customizable rates and thresholds
- Mark days as paid leave or unpaid leave
- Display results in decimal hours for payroll systems
- Save time cards to device for later access
- Print, download as PDF or export to CSV
- Support for multiple country overtime rules
- All data stored locally in browser with no server upload
| - Five personalized training zones based on heart rate reserve
- Accounts for resting heart rate and cardiovascular fitness
- Custom maximum heart rate input from multiple formulas
- No signup required, runs entirely in browser
- Weekly resting heart rate logging and progress tracking
- Zone-specific training guidance for different goals
- Shareable and printable zone results
- Embeddable calculator widget for websites
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| What makes it different | - Works on mobile phones without installation
- All calculations run locally in your browser, nothing sent to servers
- Hand-checked calculations against official government rules and worked examples
- Built specifically around time card format rather than embedded in time-tracking software
| - More accurate than age-only formulas, accounting for individual cardiovascular fitness
- Zones adapt as your fitness improves and resting heart rate drops
- Based on 1957 Karvonen research used by coaches and sports scientists
- Independent, no data collection or external servers
- No ads inside the calculator, free to use with optional embedding
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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 | 11 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 19 |
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| Citation Flow (Majestic) | 0 | 25 |
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| Referring domains (Majestic) | 0 | 40 |
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TimeCardPal
CalculateMyHeartRate