splitbillin
How to split a restaurant bill with couples and singles
Mixed tables are where "let's just split it evenly" quietly falls apart. A couple shares two mains and a bottle of wine, someone else had a salad — and an even split hands the salad person the bill for food they never touched. Here's a method that stays fair without turning dinner into a spreadsheet.
Why an even split breaks on mixed tables
Dividing by headcount assumes everyone consumed roughly the same amount. That holds when five friends all order a main and a drink. It stops holding the moment one party orders significantly more — which is exactly what tends to happen when a couple shares dishes and orders wine for two.
The person who ordered least subsidises everyone else, and because it's socially awkward to object, they usually just pay it. Doing the split by what was actually ordered removes the need for anyone to speak up.
A worked example
Five people at dinner: Maya and Tom as a couple, plus Priya, Sam and Jo each on their own. They share one appetizer for the table.
An even five-way split is $47.38 each. Priya's actual share is $23.69.
She would have paid exactly double what she owed — about $24 subsidising a bottle of wine she didn't drink.
The method, step by step
Assign each item to whoever ordered it
Maya's pasta goes to Maya, Jo's risotto to Jo. If a couple genuinely shared both mains, assigning them jointly is fine — the total lands in the same place.
Split shared items across the people who shared them
The $14 bruschetta was for the table, so it divides five ways at $2.80 each. The $40 wine was only Maya and Tom's, so it stays with them — not spread across everyone.
Add tax and tip in proportion, not evenly
Maya and Tom ordered 57% of the food, so they carry 57% of the $48.88 in tax and tip — about $27.98. Priya ordered 10% of the food and carries about $4.89.
Show the breakdown
Send everyone the itemized result. Most of the friction around uneven splits isn't the math — it's being asked to trust a number with no explanation behind it.
The proportional step is the one people most often get wrong by hand. If you want the arithmetic spelled out, see how to calculate proportional tax and tip →
Should a couple count as one person or two?
It depends what you're dividing:
- Shared items — count them as two. Two people ate the appetizer, so they take two of the five shares.
- Their own dishes — it doesn't matter. Whether you record one payer or two, the same items land on the same bill.
- Never count a couple as one "person" for an even split. That's the mistake that overcharges everyone else, since two people's food gets averaged across the whole table.
Situations that trip people up
- One person only had a drink. Proportional splitting handles this automatically — they pay for the drink plus a small slice of tax and tip.
- The wine bottle. Split it between the people who actually drank it. This is the single biggest source of unfairness on mixed tables.
- Someone arrives late and eats little. Same principle — assign what they ordered, nothing else.
- A service charge is already on the bill. Don't add a full tip on top without checking; see the tax and tip guide for how to tell.
- One person pays the whole bill. Fine — they just need a clear breakdown of what to collect from each person afterwards.
Split your bill in about a minute
Scan the receipt, tap names onto items, and tax and tip are divided proportionally for you. Free, no sign-up, works in the browser.
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