Tip Calculator & Bill Splitter
Enter the bill and how many of you there are. The shares always add back to the total — no quietly lost or invented cents.
Each person pays
$1,375.00
$2,750.00 split between 2
- Bill
- $2,500.00
- Tip at 10%
- $250.00
- Total
- $2,750.00
- People
- 2
Working out a tip in your head
You rarely need a calculator for this, and the trick is worth knowing.
Find 10% first. Move the decimal point one place to the left. On a bill of 2,500, that is 250. Everything else follows:
| Tip | How | On 2,500 |
|---|---|---|
| 5% | Half of 10% | 125 |
| 10% | Move the point | 250 |
| 15% | 10% + 5% | 375 |
| 20% | Double the 10% | 500 |
That covers almost every situation. The calculator above is for splitting, which is the part that actually goes wrong.
Why splitting a bill loses money
Three people, a bill of 100. Each pays 33.33. The total collected is 99.99.
One cent has vanished. Trivially small — but scale it up. Seven people on a bill of 4,999.99, everyone rounding the same way, and the table is short by several rupees with nobody sure why.
This calculator gives the odd cents to the first payers, one each. Three people on 100 pay 33.34, 33.33 and 33.33, which adds to exactly 100. Nobody has to work out who owes the extra.
Tipping customs around the world
Tipping is a local convention, not a universal rule, and getting it wrong in either direction is uncomfortable.
| Where | Usual restaurant tip |
|---|---|
| United States | 15–20%, effectively expected |
| Canada | 15–20% |
| United Kingdom | 10–12.5%, often added as service |
| Most of Europe | Round up, or 5–10% |
| Pakistan, India | 5–10% |
| Gulf states | 10–15%, often included |
| Japan, South Korea | Not customary |
| Australia, New Zealand | Not expected; round up for good service |
In the United States this matters more than politeness. Tipped staff are often paid a lower base wage on the understanding that tips make up the difference, so a missing tip is missing income rather than a missing courtesy.
Service charge versus tip
If a service charge appears on the bill, it has already been added by the restaurant. Most people do not tip on top of it. Look before you add anything — in tourist areas a 10–15% service charge and a blank tip line on the card machine is a common way to be charged twice.
Rounding up
The round-up option takes each share to a whole amount. It is faster to settle in cash, it avoids hunting for change, and the extra goes to the tip. The calculator shows exactly how much extra is being collected, so it is a choice rather than an accident.
Frequently asked questions
How much should I tip?
It depends entirely on where you are. In the United States 15–20% is normal in a restaurant and effectively expected. In the UK 10–12.5% is usual and often already added as a service charge. In Pakistan and India 5–10% is common in restaurants. In Japan tipping is not customary and can cause awkwardness.
Should I tip on the pre-tax or post-tax amount?
Custom in the US is to tip on the pre-tax total, though many people simply use the final figure because it is easier. The difference is small; the calculator applies the percentage to whatever amount you enter.
What happens to the odd cent when the bill will not divide?
It is given to the first payers, one cent each, so the shares always add back to the exact total. Giving everyone the same rounded figure would either lose money or collect more than the bill, which is what most split calculators quietly do.
Is a service charge the same as a tip?
No. A service charge is added by the restaurant and appears on the bill; a tip is what you choose to add. If a service charge is already included, most people do not tip on top unless the service was exceptional. Check the bill before adding anything.
How do I work out a tip in my head?
Find 10% by moving the decimal point one place left. Half that again gives 5%, so 15% is the two added together, and 20% is double the 10%. On a bill of 2,500: 10% is 250, so 15% is 375 and 20% is 500.
Related calculators
Sources and review
Formula and sources last checked .