Rent Split Calculator
Split rent and utilities equally or by custom shares among roommates.
Last reviewed by the Radiatus Cloud team
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Divide rent fairly among roommates
Sharing a home means dividing the rent and utilities among everyone living there, and a simple equal split is not always fair when the rooms genuinely differ in size and quality. This calculator splits rent and utilities among roommates either equally or by custom shares that you set, so everyone pays a fair amount and there is no recurring monthly argument about who owes what.
Why equal is not always fair
Splitting the rent equally is simple, but it quietly ignores that a larger room, a private bathroom, or a better view is genuinely worth more to the person who has it. Custom shares let you weight each person’s portion of the rent by what they actually get, which is fairer and pre-empts the resentment that an unfair split breeds. Utilities, by contrast, are often split equally regardless, since everyone tends to use them similarly. Separating the two and letting you choose the method for each produces a split that people accept and stick to.
A split everyone accepts
The calculation runs entirely in your browser, so your figures are never uploaded and stay on your own machine, which matters for anything involving money and personal finances.
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Frequently Asked Questions
Can it split rent unequally?
Yes. Rent can be split by custom shares to reflect different room sizes or features, not just equally, which is fairer when rooms genuinely differ.
Why split rent and utilities differently?
Because rooms differ in value while utilities are used similarly by all. Custom rent shares plus equal utilities is often the fairest overall approach.
How do I decide the shares?
By weighting each person’s rent to what they get; a bigger room or private bathroom is worth more. The calculator applies whatever shares you set.
Why agree a method upfront?
Because a clear, fair split agreed in advance pre-empts the monthly arguments that vague, informal arrangements tend to cause.
Is my data uploaded?
No. The calculation runs entirely in your browser.
Privacy & Security
Calculated locally in your browser. No data is sent to any server.
How to Use
Enter total rent and people to split equally or by shares.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
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