# RaphaAtlas

> RaphaAtlas is a free health and fitness calculator hub. It provides accurate, single-purpose web tools — body type, macronutrient, blood alcohol content, and related calculators — each paired with plain-language explanations of the underlying formulas and how to interpret results.

## Calculators

- [Body Type Calculator](https://raphaatlas.com/body-type-calculator): Classifies body shape (hourglass, pear, rectangle, inverted triangle, and more) from bust, waist, and hip measurements.
- [Macro Calculator](https://raphaatlas.com/macro-calculator): Calculates daily protein, carbohydrate, and fat targets from BMR, activity level, and goal (weight loss, maintenance, muscle gain).
- [BAC Calculator](https://raphaatlas.com/bac-calculator): Estimates blood alcohol concentration using the Widmark formula, with time-to-sober output and jurisdiction-specific legal limits.

## Reference

- [How the Widmark BAC formula works](https://raphaatlas.com/bac-calculator#widmark-formula)
- [Macronutrient basics](https://raphaatlas.com/macro-calculator#what-are-macros)
- [Female body shape types explained](https://raphaatlas.com/body-type-calculator#body-shapes)

## Optional

- [About RaphaAtlas](https://raphaatlas.com/about)
- [Contact RaphaAtlas](https://raphaatlas.com/contact)