Split rent fairly, even when the rooms aren't equal

Biggest room, private bathroom, no window? Enter your rent and the rooms and get a split everyone can agree on.

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Room sizes can be in sq ft or m², just use the same unit for everyone. "Extras" adds 10% weight for a private bathroom and takes 10% off for a room without natural light. It's a starting point, so change it to whatever your flat agrees on.

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FAQ

How do you split rent fairly?

Most flats split by room size, then adjust for extras like a private bathroom. Equal split works when rooms are similar.

What if one roommate earns more?

Some flats split by income share. Whatever you pick, tell everyone the method up front.

Does Billmates move money?

No. It only tracks who owes what. You pay each other the way you do now.