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Rent Split Methods Explained
Compare equal shares, agreed room percentages and income-weighted rent allocation, including rounding and the limits of a household agreement.
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Use the interactive tool for your own inputs, then use this documentation to understand the method and its limits. General information only, not legal or financial advice.
Who this is for
Equal or agreed room shares
Equal allocation divides one household rent by the number of people. Room-share allocation multiplies that rent by agreed percentages, which must total 100%. These are household inputs, not an independent assessment of room value.
The output
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Worked example
Illustrative scenarioA household rent of 900 split equally among three people gives 300 each for the same period. Agreed 50/30/20 room shares give 450, 270 and 180.
Income-weighted allocation
Each person's weight is their entered income divided by the sum of the entered incomes. Use comparable income periods for everyone. These figures remain browser-local and never become analytics properties.
Rounding and responsibility
The existing calculator allocates rounding remainders so the displayed shares total the rent. A suggested split is not a legal agreement, a fairness verdict or a change to anyone's responsibilities under a tenancy contract.
Frequently asked questions
Does the result decide my application or legal position?
No. It reports scoped arithmetic or source guidance. Your agreement, the recipient's assessment and applicable exceptions remain separate.
Are my entered figures sent with analytics?
The calculation runs in your browser. If you allow analytics, pseudonymous usage events contain the tool, market and an ephemeral attempt ID, not your amounts, documents or individual result.
Related renter resources
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