1. Shared Apartment Rent with Different Room Sizes

Alice, Bob, and Carla share an apartment. Alice has the master bedroom, Bob has a balcony room, and Carla has the smallest room. Their rent is $1,500/month.

• Alice pays $700 (master),
• Bob pays $500 (balcony),
• Carla pays $300 (small room).

They use RoomMate Cost Splitter to fairly divide utility bills and household supplies too.

2. Group Trip with Multiple Expenses

Four friends go on a weekend getaway. Expenses include the Airbnb, gas, groceries, and event tickets—each paid by different people. They log each expense and who paid, then split final totals using RoomMate. Each person can see what they owe at the end of the trip.

3. Restaurant Check Split with Tax and Tip

In a group dinner of 5, everyone orders different meals and drinks. At bill time, the group uses the calculator to enter each person’s items, plus tax and an 18% tip. RoomMate instantly divides the check, showing who owes what for a perfectly fair payout.

Try it yourself!

Use our calculator to split your group’s bills, rent, or event costs right now—no sign-up needed.