NZ Room Rent Splitter / Flatmate Calculator
Split New Zealand flat rent between rooms and flatmates using room weights, number of people per room, and shared weekly utilities.
Regional Rule Context
New Zealand Rates and Rules
Splits rent by room weight and utilities by person. Tenancy Services notes flatmates may have different legal status from tenants and recommends recording flat-sharing agreements in writing.
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Result
Enter values above and click Calculate to see your result.
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This is a rent-sharing tool, not legal advice. Flatmates and tenants can have different rights and obligations.
Disclaimer: This calculator uses publicly available rules effective as of Apr 18, 2026 (version 1.0). Results are for informational purposes only. Always verify with official sources or a qualified professional. Last reviewed: Apr 18, 2026.
Formula
Assign each room a weight based on size or desirability. The calculator allocates rent by room weight, then splits each room between people and adds equal utility share.
New Zealand FAQs
Are flatmates covered by the Residential Tenancies Act?
Tenancy Services says flatmates are generally not covered by the Act unless they are tenants on the tenancy agreement.
Should flatmates have a written agreement?
Yes. Tenancy Services recommends recording flat-sharing agreements in writing.
How are utilities split?
The calculator splits utilities equally per person.
How do room weights work?
Higher room weights allocate more rent to larger or more desirable rooms.
Can I use this NZ Room Rent Splitter / Flatmate Calculator on my own web page?
You can. Look for the "Embed" button near the top of this calculator. It lets you pick a size, border style, and color palette, then gives you an iframe tag to paste into any webpage. The widget is responsive, loads fast, and costs nothing. More details at calculory.com/services/embed-calculators.
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