Build a bill and tip splitter as one HTML file that works one-handed on a phone.

Currency symbol: $. Default tip: 18%.
Split style: Evenly.

What it does:
- Enter the bill subtotal and tax (optional); pick a tip with quick buttons plus a custom percent.
- Even split shows each person's share, the tip, and the grand total.
- By-item split: add items with a price and tap which people shared each one; shared items divide among them; tax and tip are shared in proportion.
- Add and remove people; amounts are rounded to cents and the shares always add up exactly to the total.
- Large, clear numbers; a reset button for the next bill.

Your answers are already in.

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Tags · bill · tip · split · dining