Two kinds of splitting, one calculator. A check, evenly: enter the bill, the tax (if it is not already in the prices), the tip and the number of people, and everyone pays the same, rounded up if you like. Costs that different people paid: type what each person spent – on a trip, a party or a shared house – and the calculator works out the fair share and the transfers that settle it.
Example (a trip): four friends shared a weekend. Ana paid 120 for the cabin, Ben 45 for groceries, Dev 75 for gas, Chloe nothing. Total 240, so the fair share is 60 each. Ana is owed 60 and Dev 15; Chloe owes 60 and Ben 15. Chloe pays Ana 60, Ben pays Dev 15 – two transfers and everyone is even.
Splitting a check: tip per person
Each share of a check, by number of people and tip. Bill of 100 before tip, no tax added.
| People | 15% | 18% | 20% | 25% |
|---|---|---|---|---|
| 2 | 57.50 | 59.00 | 60.00 | 62.50 |
| 3 | 38.33 | 39.33 | 40.00 | 41.67 |
| 4 | 28.75 | 29.50 | 30.00 | 31.25 |
| 5 | 23.00 | 23.60 | 24.00 | 25.00 |
| 6 | 19.17 | 19.67 | 20.00 | 20.83 |
| 8 | 14.38 | 14.75 | 15.00 | 15.63 |
For another amount, scale it: a bill of 250 for 4 people at 20% is 2.5 × 30.00 = 75.00 each.
Tipping customs
| Where | Usual tip in restaurants | Notes |
|---|---|---|
| United States, Canada | 15–20% | on the bill before sales tax; more for very good service |
| United Kingdom, Ireland | 10–12.5% | often added as a “discretionary service charge” |
| Most of Europe | round up, or 5–10% | service is usually included in prices |
| Japan, South Korea | none | a tip can be seen as odd |
| Australia, New Zealand | not expected | 10% for great service is welcome |
Customs change and differ between cities and kinds of place; the menu or the bill usually tells you whether service is included.
How the transfers are found
The calculator works out each person’s balance – what they paid minus the fair share – then lets the person who owes the most pay the person who is owed the most, and repeats until everyone is at zero. It never needs more than one transfer fewer than the number of people, and often fewer. Amounts can be typed with names (“Ana 120”), with colons (“Ana: 120”) or as plain numbers separated by commas or spaces (“120 45 0 75”); thousands may have commas (“1,200”).
Splitting costs in another currency? Convert the total first with the currency converter. Amounts stay on your device; nothing is sent anywhere, and once zet4u is saved on your phone the calculator works offline – at the table abroad with no data.
Frequently asked questions
How do I split a bill with tip?
Add the tip to the bill, then divide by the number of people. A $180 check with an 18% tip is $180 + $32.40 = $212.40; for four people that is $53.10 each. If sales tax is added at the table, the US custom is to count the tip on the amount before tax.
How do we settle up after a trip where different people paid?
Add up everything that was spent, divide by the number of people for the fair share, and compare it with what each person paid. Those who paid less pay the difference to those who paid more. Choose "Costs that different people paid" and type, for example, "Ana 120, Ben 45, Chloe 0, Dev 75": Chloe pays Ana 60 and Ben pays Dev 15.
What is a normal tip?
It depends on the country. In the US and Canada, 15–20% of the bill before tax is usual at a sit-down restaurant. In much of Europe service is included and people round up or leave 5–10%. In Japan tipping is not expected. Check the bill: if it says "service included" or adds a service charge, the tip is already there.
Can I split unevenly?
Yes, two ways. For a check, leave out the person who should pay less, split the rest, and add back what they pay. For a trip, enter only the costs that were shared; a cost that belongs to one person stays with them.
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