Joint Compound Calculator

Estimate boxes of joint compound and tape from drywall area and the target finish level.

Drywall Finish

Drywall Area (ft²)

Finish Level

Compound

Boxes (4.5 gal)5

Compound254.4 lb

Coats4

Tape600 lf

≈0.053 lb ready-mix per ft² per coat; a 4.5-gal box ≈ 61.7 lb.

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