Net present value (NPV) or net present worth (NPW) is defined as the total present value (PV) of a time series of cash flows. It is a standard method for using the time value of money to appraise long-term projects.
Our free calculator uses up-to-date, trusted data to estimate typical subcontractor costs for a Interior Wall Framing project. For a basic 125 square feet project in zip code 47474, the benchmark cost to Frame an Interior Wall ranges between $3.27 - $5.35 per square foot* . 1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased.
Labor Costs of about $.70 per square foot of wall/ceiling space. To figure this, multiply the perimeter of the room by the height..then, multiply by $.60. This will get you an approximate labor cost if there's not a lot of repair work needed. A 12x12x8 room will have about 384 square feet of wall space.The prices that are listed for paint and sundries will vary and also are purchased at a discount by the contractor The total cost for painting an interior will run about $1.02 per square foot (about $390 for the for a 12x12 room) of wall space being painted.