Drywall Tape Calculator
Approximates how many 250 ft rolls of paper tape you need using 0.37×sqrt(sq ft) as seam length planning factor.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
Step 3
How to use this calculator
Enter total boarded area.
What the math is doing
Seam feet ≈ 0.37 × sqrt(sq ft). Rolls = seam feet ÷ 250, rounded up.
Frequently asked questions
Mesh tape?
Roll lengths differ; adjust divisor manually.
Angles?
Corners add specialized beads not counted here.
Fire tape?
May require additional layers.
Basement remodels?
Include soffits and furring strips in area.