How do you accurately estimate the painting costs for a Children's Room in Basel, with excluding ceilings, 1 doors, and 2 windows, measuring 6m x 5m?

To accurately estimate the painting costs for a Children's Room in Basel, with excluding ceilings, 1 doors, and 2 windows, measuring 6m x 5m, you need to pay CHF 345.00.

*) The calculations are approximate, based on a room height of 2.4m, and include one coat of paint. The price covers only the labor, excluding any services or materials.