Drywall Mud Calculator

Room Length (ft)

Please enter a valid length.

Room Width (ft)

Please enter a valid width.

Room Height (ft)

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Drywall Sheet Width (ft)

Drywall Sheet Length (ft)

Number of Coats

Mud Factor (lbs per 100 sq ft of joint)Typical range: 6-10 lbs per 100 sq ft of joint area.

Please enter a valid factor.

Total Joint Length: ft

Joint Area (sq ft): sq ft

Mud Needed: lbs

Estimated Buckets (4.5 gal): buckets

Formula: Joint Area = Total Joint Length (ft) × Joint Width (assumed 0.5 ft) × Coats. Mud = Joint Area × Mud Factor / 100.