# Smart Bill Splitter

> Free, mobile-first tools and calculators for splitting bills, tips, rent, and trip expenses fairly.

Smart Bill Splitter is a web app that scans receipts, assigns items to people, and settles who owes whom. We also publish free standalone calculators and guides for common money-splitting problems.

## Tools
- [Free Bill Splitting Tools Hub](/tools): Index of all free calculators
- [Tip Calculator](/tools/tip-calculator): Calculate tips and split totals across any number of people
- [Split Bill Calculator](/tools/split-bill-calculator): Divide any bill equally with optional tax and tip
- [Rent Split Calculator](/tools/rent-split-calculator): Split rent by room size or by income
- [Trip Expense Splitter](/tools/trip-expense-splitter): Track group trip expenses and settle in the fewest payments

## Guides
- [How to split a restaurant bill fairly](/guides/how-to-split-a-bill): Equal vs itemized splits, tax, tip, and uneven orders
- [Splitting rent fairly with roommates](/guides/splitting-rent-fairly): Room-size, income-weighted, and amenity-based methods