Drywall sheet estimator

Drywall sheet estimator: calculate a transparent estimate from the values and assumptions you provide.

Drywall sheet estimator: calculate a transparent estimate from the values and assumptions you provide.

Both dots and commas are accepted as decimal separators.

Your inputs stay in your browser. Displayed results are rounded to a maximum of 12 significant digits.

Method and assumptions

Method version 1.0.0 · Updated

Calculate

Formula: ⌈wall area / board coverage × (1 + allowance)⌉

Drywall sheet estimator: calculate a transparent estimate from the values and assumptions you provide.

wallArea
Total wall area (m²)
boardArea
Coverage per board (m²)
wastePercent
Cutting allowance (%)

Account separately for openings and installation specifications.

Calculate with code

These short examples use the same inputs and core calculation as this tool. Adapt validation and formatting to your application.

JavaScript
const sheets = Math.ceil(30 / 2.88 * 1.10); // 12