| What it does | Free calculators for sleep, mental wellbeing, recovery, fitness, nutrition and healthy living
| Free NCAA-factor swim time converter for SCY, SCM and LCM pools
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| Pricing model | Free
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| Pricing | Not given
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| Key features | - Sleep Cycle Calculator for planning bedtimes based on 90-minute cycles
- Bedtime Calculator to find sleep time based on wake-up time and duration
- Wake-Up Time Calculator based on bedtime and sleep cycles
- Sleep Debt Calculator to estimate missed sleep over a week
- Caffeine Half-Life Calculator to estimate caffeine remaining in body
- How Much Sleep Do I Need Calculator with age-based estimates
- 20 calculator hubs across Sleep, Mind, Body, Family and Lifestyle categories
- Transparent formulas showing the math behind each result
- Evidence-based references citing primary sources
- Editorial and clinical review for sensitive health tools
| - Instant conversion between SCY, SCM and LCM courses
- Uses published NCAA conversion factors by event and gender
- No login or registration required
- Visible conversion factors and route displayed with results
- Truncates results to one hundredth of a second without rounding
- No conversion history stored
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| What makes it different | - Private calculations in browser with no account required or personal data selling
- Transparent formulas and methodology for every calculator
- Evidence-based content citing primary sources not rewrites
- Regularly updated formulas with versioning and review dates
| - Built on published NCAA factors, not invented estimates
- Supports event-specific and gender-specific conversion factors for long-course
- Transparent methodology with visible factors and honest labeling
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 17 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 8 |
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| Citation Flow (Majestic) | 10 | 19 |
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| Referring domains (Majestic) | 16 | 9 |
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WowSleepCalculator
Swim Converter