Why this matters
The balance is not about blame. It is just the difference between contribution owed and money already fronted.
Who owes whom
How to calculate a shared-expense balance when both partners paid different bills during the month.
Calculate each partner’s expected share of shared expenses, then compare it with what each partner actually paid. The person who paid less than their expected share owes the difference.
The balance is not about blame. It is just the difference between contribution owed and money already fronted.
If previous balances are included, label them clearly so this month’s spending is not confused with old debt.
Couplesplit shows the live balance and balance details, including the pieces that explain how the final number was calculated.