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Interior Painting Cost Calculator

Enter your room size and paint grade. See the labor and materials cost.

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Room size (ft)

Quick fill:

How do I measure this?
  1. Run a tape measure along one wall at floor level - that's the length.
  2. Measure the wall at a right angle to it - that's the width. For an L-shaped room, split it into rectangles and add them up.
  3. Write both numbers down before you shop - a phone photo of the tape works great.

Presets are rough starters - measure your real room before ordering.

Estimated cost

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Paintable area:-

Enter your room dimensions to see an estimate.

Paint roller stroke with a price tag - interior painting cost calculator

How to estimate painting cost

  1. Measure the room's length, width and wall height.
  2. Wall area = 2 × (length + width) × height, less ~15% for doors and windows.
  3. Multiply the wall area by the per-area rate for your paint grade and number of coats.

Frequently asked questions

How much does it cost to paint a room?
For a standard two-coat job, most single rooms run about $350–$1,000 depending on size, ceiling height and finish - a typical bedroom lands around $350–$850. Larger or higher-ceilinged rooms cost more. Enter your exact dimensions above for a tailored range.
What's the average cost per square foot to paint interior walls?
Roughly $1–$3 per square foot of wall area for labor and materials on a standard two-coat job. Premium paint and heavy prep push toward the top of the range.
Does adding a ceiling or extra coats change the price much?
Yes. A ceiling adds its full floor-area square footage to paint, and each coat beyond two adds roughly 20–25% in paint and labor. Toggle the ceiling and change the coats above to see the effect.
Why is this only an estimate?
Wall condition, prep and repairs, trim and door detail, ceiling height and local labor rates all move the price. Use this as a starting point, then get local quotes.

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