Couple Budget Planner
Enter both incomes and shared monthly expenses to compare a simple 50/50 split with an income-based split. Use it as an online couple budget template before moving numbers into a spreadsheet.
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Your inputs
Takes ~ 1 minuteYour result
Fill in the fields above and click Calculate — your personalised plan appears here in a moment.
What this calculator is useful for
Enter both incomes and shared monthly expenses to compare a simple 50/50 split with an income-based split. Use it as an online couple budget template before moving numbers into a spreadsheet.
Use it before shared bills become a recurring argument. The calculator makes two common approaches visible: splitting everything equally or splitting according to income.
How to read the result
Look at the leftover income for each partner, not only the amount each person pays. A split that looks equal on the bill can feel very unequal after rent, debt and personal obligations.
What to check next
Agree which costs are shared before using the result. Housing, groceries and utilities may belong together, while personal debt, gifts or hobbies may need their own budget line.
Plain-language notes
Use this section if the finance words on the page are new to you. The calculator is meant to support a decision, not to reward perfect terminology.
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Fair split: a shared-cost plan both people can explain and repeat. It may be equal, income-based, or adjusted for personal money.
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Budget category: a named bucket such as housing, food, transport, or savings. Clear buckets make leaks easier to spot.
What to compare
Compare at least two scenarios before trusting the first answer. A useful result should tell you what changes if income, costs, rates, or timing move.