6 FOCUSED TOOLS
Shared bills & household costs calculators
Allocate bills and understand recurring spending.
Choose the right calculation
Agree the splitting rule before calculating: equal shares and income-based shares reflect different choices. Keep expenses on the same billing period and account for currency rounding when dividing a bill.
Find a tool for your question
Tip Calculator
Calculate the tip amount from a bill and chosen percentage.
Split Bill Calculator
Split a bill and optional tip equally between a group.
Rent Split by Income Calculator
Allocate one person’s share of rent in proportion to two incomes.
Monthly to Annual Cost Calculator
Translate a recurring monthly payment into an annual total.
Subscription Cost Per Use Calculator
Estimate cost per use of a subscription during one billing period.
Shared Utility Split Calculator
Allocate a utility bill between equal shares and a chosen personal adjustment.
Will rounded individual shares always add back to the bill?
Not always. Currency rounding can leave a small remainder that the group needs to allocate.
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