# How to keep a budget per room

Source: https://archiboard.design/help/how-to/room-budget

Splitting the budget by room helps a designer control costs precisely, see what is left or overspent in each room and avoid mistakes in material calculations. It keeps the project's financial planning transparent and in order.

1. **Add a room.** Open «Project», go to the «Rooms» tab and click «Add room».
2. **Manage rooms.** After adding a room, you can rename or delete it right on the room card to keep the project's room list up to date.
3. **Control the room budget.** Each room card shows its budget: «Budgeted» — the total allocated to the room, «Left» — how much remains, or «Over budget» — if spending exceeds the plan.
4. **Add renders.** To attach renders to a room, open «Views» and click «Add view». Click an uploaded image to see it full screen.

- If the sum of the room areas doesn't match the project's total area, ArchiBoard shows a warning. This helps avoid mistakes when calculating material quantities.