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Split rent · worked example

Split by income, but cap the top share

A pure income split can leave one person paying almost everything. A cap keeps the proportional idea and stops the top share at a level you choose.

Person 1
Person 2
Person 3

Monthly or yearly, take-home or gross: use the same kind for everyone; only the ratio matters.

Total rent
$3,000 /month
Sample numbers
Adds up to $3,000.00, to the cent
Make it a household

The link holds the whole split, including the incomes. Nothing is stored on our server until you make it a household.

Worked example

The numbers, step by step

Three people share a $3,000 rent. Ana takes home $9,000 a month, Ben $2,500 and Cam $2,000. In pure proportion Ana would pay two-thirds. They agree nobody pays more than 60% of the rent, so Ana pays exactly 60% and the remaining 40% is split between Ben and Cam in proportion to their incomes.

  1. Ana pays $1,800.00: 66.7% of the combined income, capped at 60% of the rent.
  2. Ben pays $666.67: 18.5% of the combined income; picks up part of what the cap moved.
  3. Cam pays $533.33: 14.8% of the combined income; picks up part of what the cap moved.
  4. Total: $3,000.00, exactly the rent.

Names and amounts are samples. Change any number in the calculator above and the result updates.

Keep it running

Turn this into a household: rent posts at the agreed split each month, bills split by days home, and housr works out who owes whom. Roommates join with a link and a name.

Make it a household

When this split is fair, and when it isn’t

Fair when

  • Everyone wants to share costs according to means but also wants everyone to have a real stake in the home.
  • The cap was chosen before the numbers were run, so it isn’t tuned to a desired answer.
  • People below the cap still pay in proportion to their incomes among themselves.

Not so fair when

  • If incomes change a lot during the year, a fixed cap can feel arbitrary; agree when you will re-run it.
  • Between unrelated roommates, splitting by income at all is uncommon; a room split is the usual baseline.
  • The share link carries the incomes; share it only with the people involved.
  • Before changing who pays what, read the lease: USAGov’s advice for any rental question starts with “Before getting outside help, read your lease carefully.”

This is general information about splitting costs between yourselves, not legal advice. Your lease and your state’s law decide what you owe the landlord.

Sources

  1. Office of the Texas Attorney General, Renter’s Rights. Checked 2026-10-05.
  2. USAGov, How to file a complaint against a landlord. Checked 2026-10-05.
Split rent

Split rent in proportion to income

Each person pays the same share of their income, so a big pay gap doesn’t turn into a big gap in what is left over each month.

Open the example Split rent

A couple and a single: who pays what?

Per room is unfair to the single person; per person is unfair to the couple, who share one bedroom. The hybrid splits the shared space by heads and the bedrooms by size.

Open the example Split rent

A couple sharing one room: per room, per person, or both?

There are three common answers, and each has a real argument. The hybrid (shared space per person, bedroom per room) is the one most households settle on, and the calculator shows why.

Open the example