Roofing Underlayment Calculator

Units
Your measurements
Adjust estimate

Waste, compaction, density and price. Sensible defaults are already applied, and whatever is in use is listed under the result.

ft² per roll

Use the coverage shown by the actual product.

%

Applied after the measured quantity.

USD

Optional. Enter a supplier price or quote; MaterialTotals does not supply live prices.

USD
%

Result

Plan to order 1 rolls of underlayment rolls.

Based on: 10% allowance · 400 ft² per roll

Measured quantityest.
240rolls
With allowanceest.
264rolls
Adjusted areaest.
264ft²

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