Split rent by income calculator
Put in the rent and what each person takes home. Everyone ends up paying the same share of their pay rather than the same dollar amount.
The rent & the roommates
Splitting by each person's share of total income.
Each person's share
$2,400.00 a month across 3 roommates. Shares always add up to the full rent, down to the cent.
Equal burden, not equal payment
An even split treats a $1,200 room the same for someone earning $3,000 a month and someone earning $6,000. It is 40% of one person's pay and 20% of the other's. Splitting by income makes that percentage the same for both, which is the whole idea.
Use take-home rather than gross. Two people on identical salaries can land very different amounts once tax and pension come out, and rent is paid from what actually arrives.
Where it gets awkward, and what to do
Two things reliably come up. The first is that it requires telling each other what you earn, which some households are fine with and others are not. The second is that the person paying more can end up in the smaller room, at which point income alone stops feeling right.
The usual fix is a blend: work out the income split here, work out the room-size split as well, and land somewhere between the two on purpose. Write down whatever you agree on, because the version nobody remembers agreeing to is the one that causes trouble in month four.
Agree up front on when you would redo it, too. A rule set while everyone's income is unchanged is a much easier conversation than the same rule proposed the week after someone got a raise.
Then let it run
Once the number is settled, enter it in dvup as a recurring custom split and stop recalculating. The bills that actually change month to month go against a household balance that never resets, and the who owes who calculator squares everyone up in the fewest payments when you need it. How to split rent with roommates walks through choosing between the methods.
Questions
How do you split rent by income?
Add up what everyone earns, and each person pays that same slice of the rent. Earn half the household's income, pay half the rent. It keeps rent at the same percentage of pay for everyone instead of the same dollar amount.
Should you use gross or take-home pay?
Take-home, in most cases. Gross pay hides the fact that two people on the same salary can bring home noticeably different amounts after tax, deductions and student loan payments, and rent comes out of what actually lands.
Is splitting rent by income fair?
It's fair in the sense of equal burden rather than equal payment, which is why it suits couples and households at different life stages. It stops being obviously fair when the person paying more also gets the smaller bedroom, so plenty of households blend it with room size.
What if someone's income changes?
Agree in advance on when you'd redo it, for example any change over 10% or a fixed check-in twice a year. Deciding the rule while nobody's income has moved is much easier than deciding it after someone's has.
Does dvup split by income automatically?
No. dvup splits equally or by a custom split where you set each person's share yourself, and it never asks anyone's income. This calculator produces the amounts; the app is where you enter them once and let rent recur.
Rent, plus the bills that change, in one balance
Set the split once and let it recur. Everything else you split as it lands. Free on iOS and Android.