How to split trip and house expenses fairly (without a spreadsheet)

Money is the classic way to ruin a good trip. Not because people are stingy, but because nobody remembers who paid for the fuel on day two. A clear record and a fair rule prevent almost every argument.

Agree on the rules first

• Shared costs (accommodation, groceries, fuel) are split among those who used them.
• Personal costs (souvenirs, your own drinks) are not shared.
• One person writes everything down the same day — with a photo of the receipt if possible.

Not everyone shares everything

Only three of five people went on the boat tour? Only the drivers should split the toll? The expense splitter lets you tick, for each expense, exactly who shares it. Everything is calculated in cents, and leftover cents are distributed so totals always match.

Settle with the fewest transfers

If everyone pays everyone, five people can need up to twenty transfers. The tool instead matches the people who owe the most with the people who are owed the most. Five friends usually settle in four transfers or fewer.

A worked example

Ana paid 120 for groceries (shared by all three), Bruno paid 90 for dinner (all three) and Carla paid 60 for fuel (shared only by Ana and Carla — Bruno took the train). Shares: Ana 40 + 30 + 30 = 100, Bruno 40 + 30 = 70, Carla 100. Balances: Ana +20, Bruno +20, Carla −40. Result: Carla sends 20 to Ana and 20 to Bruno — two transfers and everyone is even.

Close the loop

Copy the summary into the group chat so everyone sees the same numbers, then settle with your usual payment app. For a single restaurant bill with a tip, the tip and bill splitter is quicker.