# The Vital Ledger

> Health, clearly accounted for.


## Pages

- [Water Intake Calculator](https://thevitalledger.com/water-intake-calculator/): Get a rough daily fluid estimate based on the US National Academies' adequate intake figures, adjusted for exercise.
- [BMI Calculator](https://thevitalledger.com/bmi-calculator/): Work out your body mass index (BMI) in metric or imperial units.
- [Sleep Cycle Calculator](https://thevitalledger.com/sleep-cycle-calculator/): Choose the time you need to wake up, and we'll suggest bedtimes that let you finish full sleep cycles.
- [Medical Disclaimer](https://thevitalledger.com/medical-disclaimer/): The Vital Ledger publishes general health and wellness information for education only.
- [Sources Policy](https://thevitalledger.com/sources-policy/): Every health claim on The Vital Ledger should be traceable to a source you can check yourself.
- [Terms of Use](https://thevitalledger.com/terms/): Welcome to thevitalledger.com. By using the site you agree to the terms below.
- [Sponsored Content Policy](https://thevitalledger.com/sponsored-content-policy/): The Vital Ledger publishes some articles in partnership with companies. This is how we handle them.
- [Contact](https://thevitalledger.com/contact/): Questions, corrections or expert pitches. We can't give personal medical advice by email.
- [Advertise](https://thevitalledger.com/advertise/): Reach readers who are actively improving their sleep, diet, fitness and wellbeing.
- [Write for Us](https://thevitalledger.com/write-for-us/): Dietitians, trainers, therapists, clinicians and health writers: help readers make sense of the evidence.
- [Editorial & Review Process](https://thevitalledger.com/editorial-review-process/): How an article gets from idea to the ledger, and how we keep it accurate.
- [Our Experts](https://thevitalledger.com/our-experts/): Our guides are written and checked by people with relevant qualifications. Each profile lists credentials you can verify.
- [About](https://thevitalledger.com/about/): The Vital Ledger is wellness advice with the receipts.


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