Free tools · No signup
Split-the-money calculators
Free, embeddable calculators for the awkward part of sharing costs: who pays what, and who owes whom. Each one is exact to the cent and works without an account.
Updated
Free calculator · No signup
Rent split by income
Split rent proportionally to each roommate's income, with a fairness slider between an equal split and a fully income-based one. See each share and what it is as a percentage of pay.
Open calculatorFree calculator · No signup
Group trip cost splitter
Add every trip expense and who paid it, and get the fewest transfers that settle the whole trip. Handles different payers, partial groups per expense, and cent-exact splits.
Open calculatorFree calculator · No signup
Split rent by room size
Divide rent by each bedroom's square footage, with a premium for a private ensuite bathroom. See each room's rent and its effective price per square foot.
Open calculatorFree calculator · No signup
Group cost split calculator
Split any total equally or by custom share weights, with cent-perfect rounding.
Open calculatorThese calculators are informational tools, not tax, legal, or financial advice. Results are estimates based on the numbers you enter; confirm any amount before you send or collect money.