How to use
- Enter the bill and tap a tip %, or type your own.
- Enter the number of people to split the bill.
- Optional: round each share up, or tip on the bill before tax.
Tip formula
Tip = bill × tip% ÷ 100
Total = bill + tip
Each person = total ÷ number of people
To tip on the pre-tax amount, use (bill − tax) in place of the bill. The tip is rounded to the cent.
Examples
- 18% tip on $68.50: 68.50 × 0.18 = $12.33 (OpenStax Prealgebra).
- $60 bill, 15% tip, 4 people: tip $9, total $69, so $17.25 each.
- The same, rounded up: $18 each, $72 in total. The tip becomes $12, which is 20%.
Tips on common bills
| Bill | 15% tip | 18% tip | 20% tip |
|---|---|---|---|
| $20 | $3.00 | $3.60 | $4.00 |
| $40 | $6.00 | $7.20 | $8.00 |
| $60 | $9.00 | $10.80 | $12.00 |
| $80 | $12.00 | $14.40 | $16.00 |
| $100 | $15.00 | $18.00 | $20.00 |
| $150 | $22.50 | $27.00 | $30.00 |
Tipping customs vary
- US: employers may pay tipped workers a cash wage as low as $2.13 an hour and count tips towards the minimum wage (US Department of Labor).
- UK: tips don’t count towards the National Minimum Wage, and by law all tips must go to workers (GOV.UK).
- Japan: tipping in bars, cafes, restaurants, taxis and hotels is not common (Japan National Tourism Organization).
The percentage buttons are shortcuts, not advice. Check what is usual where you are.
How splitting and rounding work
If the total doesn’t divide evenly to the cent, the calculator tells you who pays one cent more, so the shares add up exactly.
Rounding up moves each share to the next whole amount, for example $17.25 to $18. The extra goes to the tip, and the new tip percentage is shown.
For other everyday percentages, use the percentage calculator.