A trip, a shared house, a bachelorette — someone fronts the cabin, someone else grabs groceries, and by the end nobody quite knows who owes whom. Split Expenses keeps the running answer: add each cost, mark who paid, tap to include or leave people out of any expense, and the balances stay current.
When it's time to settle, the tool suggests the smallest set of payments that squares everyone — and shows its work. Every suggested amount can be traced back to the actual shared costs behind it, and recorded payments are permanent facts: pay someone back, mark it paid, and the remaining suggestions update around it.
What you can do
- One tap includes or excludes a person from any expense
- Weighted shares for couples or heavier users of a cost
- Cent-exact splits — shares always sum to the real total
- Fewest-possible settle-up payments, with the math shown
- Record and undo payments as an auditable history
Frequently asked questions
Does everyone in the group need an account?
No. One person keeps the split and shares a read-only link; the group sees balances and suggested payments without signing up. Saving your own splits needs a free account.
Does it move money?
No. planin30 never holds or transfers funds. You settle in your payment app of choice and record the payment here so the balances stay honest.
How does it minimize the number of payments?
It computes each person's net balance and finds a provably minimal settlement plan for groups up to twelve people (larger groups get a near-minimal suggestion, labeled as such). Every suggestion shows the underlying costs it covers.
Can we split unevenly?
Yes — give any person a heavier weight on a cost (a couple counting double on the cabin, for example), or leave people out of expenses they didn't share.
Ready to plan?
The Split Expenses Calculator runs entirely in your browser. Free, no sign-up required to use it.
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