This tool helps roommates divide costs fairly by splitting rent based on room square footage and utilities based on usage intensity.
Total Shared Monthly Cost:
$0
Roommate A Share:
Roommate B Share:
Weighted splits ensure fairness by accounting for space value and resource consumption, moving beyond a simple equal division to reflect the actual utility each person receives from the living arrangement.
Formula: Rent Share = (Individual Room SqFt / Total Room SqFt) * Total Rent
Rent Share = (Individual Room SqFt / Total Room SqFt) * Total Rent
For a $2,000 apartment where Room A is 200 sq ft and Room B is 100 sq ft.
Usually, common areas are shared equally, so only private bedroom square footage is used for the weighted ratio.
Usage level is a subjective score (1-10) agreed upon by roommates based on factors like working from home or heavy appliance use.
You can add a premium to their square footage or a flat fee before calculating the weighted split.
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