Guides to shared expenses

Dividing a cost between people, and choosing how.

• How to split expenses with friends

  The habits that keep friendships intact: agree the rules first, record at the moment of payment, and settle in one transfer rather than many.

• How to split a restaurant bill

  Even split, itemised split, percentage split, or shared-items-only — with the arithmetic for service charge and drinks worked through.

• Equal, exact or percentage: choosing a split method

  A decision table for the three split methods, plus the failure mode of each one and how to avoid it.

Rent, bills and the costs of living with other people.

• How to manage shared household expenses

  Which household costs suit which split method, how to handle a bill in one person's name, and what to do about the shared-groceries problem.

• How to split bills with roommates

  Unequal rooms, mid-month move-ins, the deposit problem, and a checklist for when someone moves out.

Travelling in a group, where money moves fastest.

• How to track expenses on a group trip

  Record as you go, keep currencies separate, and end the trip with one transfer per person instead of a spreadsheet.

Money between two people, with nothing to divide.

• How to track money friends owe you

  A running ledger beats memory and beats a group chat. What to record, and how to raise it later without friction.

How to keep a record that still makes sense months later.

• How to manage shared expenses without spreadsheets

  The four specific ways a shared spreadsheet fails, and the properties any replacement needs.

• How to keep track of group expenses

  Capture at the moment of payment, keep one ledger, and annotate anything unusual — the three habits that make a record hold up.

Closing out a set of shared expenses.

• How to settle shared expenses fairly

  Agree a cut-off, minimise transfers, and handle the two hard cases — a disputed amount and an expense nobody can verify.

If you are looking for what Expenddy itself does rather than how to handle a situation, start with features, how it works, or the FAQ. The comparisons cover Expenddy against spreadsheets, group chats and splitting by hand.