Free tool
Split Expense Calculator
Use this split expense calculator to divide shared bills, add who paid, choose who was included, and see who owes whom.
It works for dinners, groceries, rent, trips, roommate bills, couple expenses, household purchases, and other one-time shared costs.
This calculator runs in your browser. The values you enter are not sent anywhere.
Calculate who owes whom
Add people, enter expenses, choose who paid, and select who should share each expense. The calculator will combine everything into a simple settlement.
People
Expenses
This calculator runs in your browser. The values you enter are not sent anywhere.
What this split expense calculator does
This calculator helps you divide one or more shared expenses between people and see the simplest way to settle up. Add who paid, who should be included in each expense, and the calculator will show each person’s fair share and who owes whom. Once you know who owes whom, read how to remind someone they owe you money politely if you want the wording approach, use the Polite Payback Reminder Generator for a custom message, or browse Repayment Reminder Text Examples for ready-made scripts.
After someone pays their part, use the Repayment Receipt Generator to confirm what was paid, what it covered, and whether the split is settled.
Splitting several roommate bills for the month, like rent, utilities, groceries, supplies, repayments, or a balance from last month? Use the Roommate Bill Split Calculator instead.
Use it for:
- dinners and drinks
- groceries
- rent and utilities
- trips
- household purchases
- couple expenses
- roommate bills
- family reimbursements
How to split expenses
- Add everyone involved.
- Add each expense amount.
- Choose who paid for each expense.
- Select who should share each expense.
- Check the settlement to see who owes whom.
For simple situations, this may be enough. For ongoing shared costs, partial repayments, or money that keeps moving back and forth, use the Running Balance Calculator to see the current balance after each expense and repayment.
Example: splitting groceries, dinner, and a taxi
Alex, Mia, and Sam are sharing some costs.
| Expense | Paid by | Split between |
|---|---|---|
| Groceries — $90 | Alex | Alex, Mia, Sam |
| Dinner — $60 | Mia | Alex, Mia, Sam |
| Taxi — $30 | Sam | Alex, Sam |
The calculator adds what each person paid, calculates each person’s fair share for the expenses they were included in, and then simplifies the result into the smallest practical set of repayments. Result: Sam owes Alex $25. Sam owes Mia $10.
Equal splits and selective splits
An equal split works when everyone included in an expense should pay the same share. A selective split is useful when only some people were part of a specific cost.
If three roommates share groceries, include all three people. If only two people shared a taxi, include only those two people for that taxi expense.
This calculator currently uses equal splitting for each selected expense. For custom percentages, uneven rent arrangements, partial repayments, recurring expenses, and long-term balances, You Owe Me can help you keep the ongoing record manually and clearly.
When a calculator is not enough
A calculator is useful when you need to settle one situation. But real shared money often keeps changing. Someone pays for groceries, someone else covers rent, a partial repayment happens later, and another recurring cost appears next month.
That is when a running balance is easier than a one-time calculation.
You Owe Me is built for ongoing money between people. Instead of only calculating one split, it helps you keep a clear history of expenses, repayments, reminders, and follow-up messages.
If you paid for one shared thing and people will repay you at different times, the calculator can show the initial split, but Group Paybacks are better for tracking the payback progress. Use a Group Payback when you need to see who paid, who partially paid, and who still owes after the split.
Need the current balance over time?
If this is not just one shared bill, but a history of expenses and repayments between two people, try the Running Balance Calculator first. It shows how the balance changes after every row.
If this is no longer one bill and you are deciding between a spreadsheet and an app, read the spreadsheet vs app comparison.
If you need more than one split and are comparing shared expense apps, read the Splitwise alternative comparison.
Try the Running Balance CalculatorFor ongoing parent-related bills, sibling reimbursements, recurring family charges, or purchases made on behalf of relatives, the family reimbursement tracker is a better fit than recalculating each time.
For one monthly roommate settle-up, use the Roommate Bill Split Calculator. If you first need fair household rules, read the guide to splitting rent, utilities, and groceries with roommates. For ongoing rent, utilities, groceries, household supplies, and repayments over time, see the Roommate Expense Tracker.
For repeated roommate costs like rent, utilities, groceries, and repayments, read how to track money between roommates instead of treating every bill as a separate split.
With You Owe Me, you can:
- track shared expenses over time
- track a Group Payback until everyone pays
- see who owes whom at any moment
- record partial repayments
- add recurring expenses
- send clearer repayment updates
- share a statement when someone needs context
Related guides and tools
Split expense calculator FAQ
What is a split expense calculator?
A split expense calculator divides shared costs between people and shows who owes whom after accounting for who paid and who was included in each expense.
Can I use this for more than one expense?
Yes. Add each expense separately, choose who paid, and select the people who should share that cost. The calculator combines everything into one settlement result.
Can I use this for roommates?
Yes. It works for simple roommate costs and one-off bills. If you need to combine rent, utilities, groceries, supplies, repayments, and previous balances for one monthly settle-up, use the Roommate Bill Split Calculator. For recurring bills or long-term household balances, an app like You Owe Me is easier than recalculating every month.
Can I use this for couples?
Yes. Couples can use it for groceries, rent, travel, subscriptions, and everyday shared spending. It is useful when one person paid upfront and both people want a clear result.
What if one person should not be included in an expense?
Only select the people who should share that specific expense. For example, if three people are on a trip but only two shared a taxi, include only those two people for that taxi expense.
What is the difference between this calculator and You Owe Me?
The calculator is for quick one-time splits. You Owe Me is for ongoing balances, repayment history, reminders, recurring expenses, follow-up messages, and situations where money between people continues over time.
What if people pay me back at different times after the split?
Use the calculator to find the initial shares. If you need to track who paid, who partially paid, and who still owes after that, use Group Paybacks in You Owe Me so the shared cost stays organized and each person's balance stays clear.
Does the calculator save my data?
No. The calculator runs in your browser and is designed for quick calculations. The values you enter are not sent anywhere or saved to an account.
Need to track shared money over time?
Use the calculator for quick splits. Use You Owe Me when you need a lasting record of shared expenses, repayments, reminders, and money conversations.
Want to see how people use the app in real life? Read App Store reviews.
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