Joint Compound Calculator
Estimate the amount of joint compound needed.
How It Works
Compound (lb) = Area × Coats × 0.05 lb per sq ft per coat.
Example
For 1,000 sq ft and 3 coats: 1000 × 3 × 0.05 = 150 lb of joint compound.
Frequently Asked Questions
How many coats do I need?
Typical drywall finishing is 3 coats: tape, then two finishing coats over the seams and fasteners.
What does joint compound cost?
A 50 lb bucket runs $15–$25 and covers several hundred square feet depending on coats.
Is this for all-purpose compound?
Yes, this estimate assumes standard all-purpose joint compound.