Trip expense calculator
Add everyone on the trip, log each expense and who paid, and get the fewest possible payments needed to settle up.
Planning ahead rather than settling up after? Read how to split trip costs with friends, including what to agree on before you book anything.
Who's on the trip?
Expenses
Balances
Total trip spend: $300.00
- You gets back $150.00
- Alex owes $150.00
How to settle up
- Alex pays You $150.00
How trip expense splitting works
On a group trip, expenses rarely get paid evenly: one person books the Airbnb, another covers dinner, someone else grabs the cab. This calculator tracks who paid for what and who each expense should be split among, then works out each person's net balance: what they paid minus their fair share of everything.
Instead of everyone paying everyone back individually, the settlement plan above uses debt simplification to find the smallest number of payments that settles every balance, so instead of five awkward transfers, you might only need one or two.
Just one restaurant bill rather than a whole trip? The split bill calculator handles tip and tax in one step. For the wider picture, see our guide to splitting trip costs with friends, or compare the best apps for splitting group travel if you want something that tracks the whole trip for you. Driving there and splitting the fuel? Try the gas split calculator. Splitting something else? See every calculator.
Using it as a vacation budget calculator
The same tool works before a trip as well as after it. Enter your estimated costs rather than real ones, flights, accommodation, food per day, activities, and you get a per person figure for what the holiday will cost each traveller. That number is far more useful than a total when you are deciding whether everyone can afford the plan.
A practical approach: budget first with rough figures, then clear the estimates and use the same page to track what actually gets spent. Comparing the two afterwards is the fastest way to learn which category your group always underestimates. It is usually food.
Common questions
How do you split expenses on a group trip?
Log every cost as it happens along with who paid and who it applies to, since not every cost is shared by everyone. At the end, each person's net balance, what they paid minus their fair share, determines who owes who.
What if not everyone shares every expense?
Assign each expense only to the people it applies to rather than the whole group. Someone who skips an activity should not be included in that cost, even though they share the accommodation and other costs.
How many payments does it take to settle up after a trip?
Usually far fewer than one per person. This calculator uses debt simplification, matching the largest debtor to the largest creditor and repeating until every balance is zero, so a group of six or eight often settles in two or three payments.
Can I use this to budget for a trip before it happens?
Yes. Enter estimated costs, flights, accommodation, food per day, instead of real ones, and you get a per-person figure for what the trip will cost. Clear the estimates once the trip starts and log real spending on the same page.
What is the difference between this and a split bill calculator?
A split bill calculator handles one bill with tip and tax in a single step. This calculator is for many expenses across several days and payers, where you need a running balance rather than a one-off split.
Do I need to add every small expense, like coffee or snacks?
Only if it matters to the group. Many trips are simpler if everyone covers their own small personal purchases and only logs genuinely shared costs, accommodation, group meals, transport, and activities everyone joined.