Basement Finishing Cost Calculator

This prices finishing a basement one trade at a time rather than handing back a single rate per square foot. You give the floor area, the wall length and ceiling height, a finish level, and tick the parts of the job you are actually doing, from moisture control and framing through to the egress window, the bathroom and the permit. It returns each line with the quantity and rate behind it, a subtotal, your contingency and a total with a cost per square foot. The rates are typical United States installed prices, so treat the answer as a budget to hold real quotes against rather than a quote.

Measurements In
The rates are United States installed prices per square foot either way. Pick metres and they are shown converted to square metres, so you can enter the basement as you measured it.
The part you are actually finishing, in the unit you chose above. Leave out the furnace room, the storage end and anything staying as bare slab.
Perimeter walls plus every interior partition. Leave at zero and it is estimated as the perimeter of a square of the area above, which undercounts a basement that is cut into rooms.
Most codes want 7 feet, or 2.13 m, clear in a finished basement, and a drop ceiling takes 4 to 6 inches, or 100 to 150 mm, off whatever you have.
A drop ceiling costs more than drywall here and is worth it when there are valves, cleanouts or junction boxes overhead you will need to reach.
Hung, with casing. Count the door to the utility room.
Includes breaking and patching the slab for the drains. This is the single biggest swing in a basement budget.
Applied to the line items before the contingency. Leave at zero if the rates above already carry it, which they do for a normal subcontracted job.
Ten to fifteen per cent is normal. A basement is where the water, the low beam and the buried cleanout turn up.
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