Divide rent or a vacation rental fairly, room by room.
Envy-free splits.
Send them the link. They join in 10 seconds, no sign-up.
Fair Divider works out who gets which room and what each person pays when a group splits rent or a shared rental. Two to ten people say what each room is worth to them, and the tool prices rooms so nobody would rather have someone else's room at its price. Free, no account, about two minutes.
Anywhere people share a place and the rooms aren’t equal:
Three steps, under two minutes.
Enter the total amount to divide, add each participant, and give each room a short description.
At each turn, one participant selects the room they prefer at the prices currently shown. No prior agreement is needed.
Fair Divider shows who gets which room and what each person pays. The split covers the full total you entered.
Envy-free means no participant would rather have someone else’s room at that person’s price. Everyone ends up with a deal they consider at least as good as any other.
Equal splits feel unfair when rooms aren’t equal — and they never are. One room is larger, one has a private bathroom, one faces the street. Most rent calculators divide by square metres or by income. Neither can price the room with no window, or the one next to the boiler; only the people who will live there can. Fair Divider prices each room according to what participants actually prefer, so the balance between size, features and cost comes out fair for everyone at once. The result isn’t a compromise. It’s an outcome everyone can accept.
Three rooms, one shared rent of €1,000 — here is a typical envy-free result:
| Participant | Room | Pays |
|---|---|---|
| Ana | Large room, balcony | €420 |
| Ben | Medium room | €330 |
| Carla | Small room | €250 |
| Total | €1,000 |
Each participant prefers their own room at its price — nobody would swap.
Try these numbersFair Divider is free, available in nine languages, and requires no account. Made by Binary Spirit S.L.
Open the calculatorSplitting with roommates? Everyone joins the same division from any device — on the web, in the app, or a mix of both.
Free on the web, on iPhone, and on Android.