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Group Trip Cost Splitter
Add everyone in the group and every expense — who paid, and who it should be split among — to see a running total and each person's real net balance.
Why per-expense splitting matters
Real group trips rarely split evenly down to the dollar. A rental house might be shared by everyone, but ski lift tickets, a spa day or an extra excursion often only apply to some of the group. This tool tracks each expense's payer and its own subset of participants, so the final numbers reflect what actually happened rather than one flat even split.
Reading the net balance
Each person's net balance is what they actually paid minus their fair share of everything they were part of. A positive number means they fronted more than their share and should be paid back; a negative number means they still owe the group. Once everyone's numbers look right, plug the balances into the Trip Debt Settle-Up Calculator to get the shortest list of payments to close everything out.
Frequently asked questions
What happens if someone only joins part of the trip?
Use the "split among" field on that expense to list only the people who were actually there — for example if three of six people skied, type their names and only they share that cost. Leave it blank to split across the whole group.
What does a negative net balance mean?
A negative balance means that person paid less than their fair share of the trip's costs so far — they owe the group money. A positive balance means they fronted more than their share and should be paid back.
How is this different from a basic bill-splitting calculator?
Most simple splitters just divide a total evenly. This tool tracks who actually paid for each expense and lets you exclude people from specific line items, which matters on real group trips where costs like activities, a rental car, or an extra room are rarely shared by absolutely everyone.
How do I turn these balances into actual payments?
Copy each person's net balance into the Trip Debt Settle-Up Calculator, which works out the minimum number of payments — who pays whom and how much — to bring everyone to zero.