Interior Calculators — Free Cost & Material Estimators
Estimate costs for interior finishing projects including crown molding, wainscoting, ceiling tiles, drywall, and more. Our interior calculators help you budget materials and labor for every room.
Crown Molding Calculator
Calculate crown molding costs by room size, material, and profile size. Compare MDF, pine, polyurethane, and plaster options.
Wainscoting Cost Calculator
Calculate wainscoting costs for flat panel, beadboard, board & batten, shiplap, and raised panel styles by room size and material.
Drywall Mud Calculator
Calculate joint compound and tape needed for drywall finishing. Get estimates by area, finish level (1-5), and compound type.
Drywall Repair Cost Calculator
Calculate drywall repair costs by damage type, patch size, and finish requirements. Get estimates for holes, water damage, cracks, and nail pops.
Drywall Calculator
Calculate how many drywall sheets, joint compound, tape, and screws you need. Enter room dimensions for an instant materials list.
Drywall Installation Cost Calculator
Calculate drywall installation costs by area and finish level. Get estimates for hang-only, hang & tape, and full finish with material costs.
Drywall Finishing Cost Calculator
Calculate drywall finishing costs by area and level. Get estimates for Level 3, 4, 5, and skim coat finishes.
Stair Railing Cost Calculator
Calculate stair railing costs by material and length. Get estimates for wood, wrought iron, cable, and glass railings with post costs.
Popcorn Ceiling Removal Cost Calculator
Estimate popcorn ceiling removal costs by method and area. Get pricing for scrape-only, skim coat, and re-texture with asbestos testing options.
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Frequently Asked Questions
How much do interior finishing projects cost? +
Interior finishing costs vary widely by project. Crown molding runs $5–$25/LF installed, wainscoting $9–$45/sq ft, ceiling tiles $4–$20/sq ft, and drywall finishing $1–$3/sq ft.
What is the best order for interior finish work? +
Start with drywall and ceiling work, then install crown molding and trim, followed by wall treatments like wainscoting, and finish with baseboards and paint.