Quick answer: A tip is the bill × the tip percentage, and each person pays (bill + tip) ÷ the number of people. On an $84 bill, a 20% tip is $16.80, the total is $100.80, and split four ways that is $25.20 each. A 15% tip on $100 is $15; an 18% tip is a generous, above-average US tip. Tipping customs vary by country, and in many places service is already included.
At the end of a meal, nobody wants to work out percentages and divide by four in their head. Enter the bill, tap a tip percentage and set the group size. The calculator shows the tip, the grand total, and what each person owes.
If you like tidy amounts, turn on rounding: each person's share is rounded up to the next whole number and the extra goes to the tip. The result shows the effective tip percentage, so you can see exactly what you are leaving.
The tip formula
Total = Bill + Tip
Per person = Total ÷ Number of people
Example: on a $50 bill, a 15% tip is $50 × 0.15 = $7.50, making a total of $57.50. On a $100 bill, a 20% tip is $20, for a total of $120. Split four ways, that is $30 per person.
Fast mental math for common tips
You don't need a calculator for round numbers. For a 10% tip, move the decimal point one place left: a $42.80 bill tips $4.28. For 20%, double that: $8.56. For 15%, take the 10% figure, halve it, and add the two together ($4.28 + $2.14 = $6.42). This shortcut works for any bill and gets close enough to tip confidently at the table.
US tipping guide by service type
| Service | Typical tip |
|---|---|
| Sit-down restaurant, full service | 15% to 20% |
| Counter service, coffee shop | 0% to 10%, often optional |
| Bartender | $1 to $2 per drink, or 15% to 20% of the tab |
| Delivery driver | 10% to 15%, $3 to $5 minimum |
| Hairdresser or barber | 15% to 20% |
| Taxi or rideshare | 10% to 15% |
| Hotel housekeeping | $2 to $5 per night |
Tipping by country
Tipping customs vary a great deal and this calculator works the same everywhere, you just choose a different percentage. In the United Kingdom, 10% to 12.5% is typical and many bills already include a discretionary service charge, so check before adding more. In Canada, tipping is close to US custom: 15% to 20% at restaurants. In Australia, tipping is not expected since hospitality staff are paid a full minimum wage; a tip for great service is a bonus, not an obligation. Across most of continental Europe, service is usually included in the price (sometimes shown as "service compris" or a cover charge), and rounding up or leaving small change is the norm rather than a percentage tip.
Should I tip on the pre-tax or after-tax amount?
Both are common. Tipping on the pre-tax subtotal is a widely used etiquette rule and costs a little less, since it skips the sales tax portion of the bill. Tipping on the total after tax is simpler because it is the number printed at the bottom of the receipt. The calculator tips whatever amount you enter, so use the figure you prefer.
A worked example
Example. A $84 bill with a 20% tip is $16.80 in tip and $100.80 in total. Split four ways, each person pays $25.20.
Common tips on an $84 bill
| Tip | Tip amount | Total | Each of 4 people |
|---|---|---|---|
| 15% | $12.60 | $96.60 | $24.15 |
| 18% | $15.12 | $99.12 | $24.78 |
| 20% | $16.80 | $100.80 | $25.20 |
| 22% | $18.48 | $102.48 | $25.62 |
An $84 restaurant bill.
Common mistakes to avoid
- Tipping on top of a service charge. Check the bill first, because some restaurants add a charge automatically.
- Calculating the tip after tax when you meant before tax. Practices differ, and this tool applies the percentage to the amount you enter.
- Assuming the same custom everywhere. Norms range from 15 to 20% in the United States to little or nothing in some other countries.
Frequently asked questions
How much is a 20% tip on $50?
A 20% tip on a $50 bill is $10, making the total $60. Enter 50 as the bill and 20 as the tip percentage to see the breakdown, including a per-person split if you are sharing.
How much is a 15% tip on $100?
A 15% tip on a $100 bill is $15, for a total of $115. For a quick mental check: 10% of $100 is $10, half of that is $5, and $10 + $5 = $15.
Is an 18% tip good?
18% is on the higher end of standard US restaurant tipping, which usually runs 15% to 20% for table service. It is a solid, generous tip for good service, between the "acceptable" 15% and the "excellent service" 20%.
How do I split a bill and the tip between people?
Enter the full bill amount, choose your tip percentage, and set the number of people. The calculator adds the tip to the bill first, then divides the total evenly, so everyone pays the same share including their portion of the tip.
Should I tip on the amount before or after tax?
Both are common. Tipping on the pre-tax subtotal is a widely used etiquette rule and is a little cheaper. Enter whichever amount you prefer to base the tip on.
How do I split a bill unevenly?
Calculate each person's own items separately by entering their share of the bill with 1 person. Then split shared items like appetisers using the group size.
Is a service charge the same as a tip?
A service charge is a fixed fee added by the venue. Some venues pass it to staff and others do not. If it is included, an extra tip is optional.
Can I use another currency?
Yes. Use the currency selector at the top of the form. The calculation does not change, only the symbol and formatting.
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Sources and further reading
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