Tip formula, bill totals, and splitting evenly
A tip is calculated as a percentage of the bill amount entered. The tool then adds the tip to the bill total and divides the combined amount evenly among the number of people.
Worked example
For an $86 bill and an 18% tip, the tip is $86 × 0.18 = $15.48. The total is $101.48. Split among four people, that is $25.37 each before any adjustment for unequal orders or payment preferences.
What this does and does not include
Enter the bill amount that matches the approach you and your group agree to use—for example, whether tax is already included in the amount being tipped. This calculator does not determine a locally customary tip, handle different individual orders, or automatically round each person's payment to a convenient cash amount. If the amount cannot be divided exactly into cents, the group may need to agree who covers the rounding difference.
Tips for accurate results
Check your receipt for an included service charge before tipping, and decide whether to tip on the pre-tax subtotal or the total. Common quick checks are 10 percent as the decimal moved one place, then doubling for 20 percent.
Common mistakes and limits
Customs differ between countries and services, so the right amount depends on where you are. For groups, agree on a method before the bill arrives to avoid confusion over rounding and uneven orders.
Learn more: How to calculate a tip and split the bill fairly.