Rent split calculator
Add your roommates, enter the rent and utilities, and see exactly who owes what, split evenly or by room size.
Costs
Roommates
Who owes what
Total: $1,950.00 across 2 people
- Roommate 1 50% $975.00
- Roommate 2 50% $975.00
How to split rent fairly
The simplest approach is an equal split: divide rent and utilities evenly across everyone on the lease. It works well when bedrooms are similar in size and everyone shares common spaces equally.
If bedrooms differ in size, closet space, or have a private bathroom, a weighted split is usually fairer. Assign each room a relative weight (for example, based on square footage), and this calculator divides the total proportionally.
Once you've agreed on a split, Splitwiser keeps track of who's paid, sends reminders, and settles up automatically each month, so you don't have to redo this math every time.