How to use the drywall installation cost calculator
- Enter the total board area for walls and ceilings.
- Choose the finish level you want.
- Replace the range with local quotes when you have them.
Formula
Cost = area × installed cost per sq ft + extras.
Worked example
500 sq ft at $1.60–$3.75: $800–$1,875, about 18 sheets of 4×8 with waste.
Tips for using the drywall installation cost calculator
- Use the drywall calculator first to measure board area for walls and ceilings.
- A Level 5 finish costs more but hides flaws under strong side light.
- Ceilings, stairwells and small jobs usually cost more per square foot.
- Get quotes that state the finish level, who removes debris and whether priming is included; two prices for the same square footage can cover very different amounts of work.
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Drywall Installation Cost Calculator FAQs
How much does it cost to drywall a room?
A 12 × 12 ft room with ceiling has roughly 500 sq ft of board; at $1.60–$3.75 per sq ft that is about $800–$1,875.
What is a Level 4 vs Level 5 finish?
Finish levels (0–5) describe how much taping and compound is applied. Level 4 is common for painted walls; Level 5 adds a skim coat for critical lighting or glossy paint.
Is labor most of the cost?
Generally yes — industry estimates put labor at well over half of installed cost.
