Calculate tips and split bills between multiple people with customizable tip percentages and rounding options.
Type the total amount of your bill before tip.
Select 15%, 18%, 20%, or enter a custom tip amount.
Enter the number of people to divide the total evenly.
Enter the bill amount, pick a tip percentage, and say how many people are splitting: the tool returns the gratuity, the with-tip total, and each diner's share. A rounding option lets every person pay a clean amount, at the cost of the shares no longer summing to the exact total. The usual mistake is typing the after-tax check total instead of the subtotal: the percentage applies to whatever amount you enter, so 20% of $108 quietly becomes a $21.60 tip rather than the conventional $20 on a $100 subtotal.
A concrete input and expected output from the current implementation.
Input
Bill $48.00, tip 20%, 3 people, rounding off
Expected output
Tip: $9.60. Total: $57.60. Per person: $19.20 ($3.20 tip each).
20% of $48.00 is $9.60, and adding it gives $57.60. Divided three ways, each person pays $19.20, of which $3.20 is their share of the tip and $16.00 their share of the bill.
The math is three steps: the tip is the entered amount times the percentage, the total is that amount plus the tip, and each person pays the total divided by the headcount. Every figure derives from those same inputs, so changing the percentage or the number of diners recomputes them all at once. No tax is assumed - what you type is what gets the percentage.
Rounding is applied to each person's share after the division, not to the bill itself. Rounding a $19.20 share up to $20 means three diners hand over $60.00 against a computed total of $57.60, and that $2.40 difference is collected over and above the bill. Leave rounding off when the split must reconcile to the penny, for example for an expense report.
The common convention in the United States is 15 to 20 percent of the pre-tax subtotal, and the percentage here applies to whatever amount you enter, so type the subtotal for a conventional tip. Tipping on tax adds roughly your tax rate to the gratuity: on a $100 bill with 8 percent tax, 20 percent becomes $21.60 instead of $20.
Because rounding is applied per person. Three shares of $19.20 rounded up to $20 each collect $60.00 against a computed total of $57.60, a $2.40 overage that typically goes to the server as a larger tip. If the split must equal the bill exactly, turn rounding off.
The example and behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.
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