Total bill, number of people, and optional tip percent—each person’s share and totals.
Total with tip = bill × (1 + tip% ÷ 100), then per person = that total ÷ headcount (equal split). Tip amount line is withTip − bill.
This calculator uses plain decimal numbers. If a result looks wrong, check whether you used a comma instead of a dot (or vice versa) where the field expects one.