Split a household bill between roommates by income or usage.
Splitting a household bill by income makes the shared cost proportional to each person's earnings, so lower earners pay less. Income-proportional splitting is a fair compromise but requires agreeing that earnings should determine each share.
Household Expense Split
Income split: person 1 pays bill x (income1 / total income)
Income split: person 1 pays bill x (income1 / total income) Splitting a household bill by income makes the shared cost proportional to each person's earnings, so lower earners pay less.
Income-proportional splitting is a fair compromise but requires agreeing that earnings should determine each share.
This calculator takes 4 inputs: Total bill, Person 1 income, Person 2 income, Split basis. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.