| What it does | Free pay calculators for workers and employers
| Free online reaction time test that measures your reflex speed in milliseconds
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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 | - Overtime pay calculator based on US federal FLSA rules
- Notice period calculator for UK employment law
- Freelance day rate calculator for annual income conversion
- Shift differential pay calculator for night shifts and weekends
- Reverse sales tax calculator
- Instant results with no loading time
- No data stored or shared
- Works on all devices
- Full calculation breakdown included
| - Reaction time measured in milliseconds
- Sessions of 5, 10 or 20 rounds
- Best and average score tracking
- Percentile comparison with online-test benchmarks
- Shareable score card and friend challenge link
- Light and dark mode
- Works on mobile, tablet and desktop
- No registration or download required
- Random delay prevents anticipation
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| What makes it different | - Based on official employment law with transparent formulas and sources
- No sign-up, account, or data collection required
- Completely free with no hidden charges or premium plans
- Built for practical real-world use, not accounting expertise
| - No sign-up, download, or account required
- Does not collect or store personal data
- Sub-millisecond timer precision using browser performance API
- Benchmarks against pro gamers, trained athletes, and average adults
- Fast and clean interface without ads
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ▼ −1 (down) 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) | 12 | 12 |
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| Referring domains (Majestic) | 11 | 3 |
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PayCalcTools
VoltReflex