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Roofing

Roofing Shingles Calculator

Work out shingle bundles, starter strip, ridge cap and nails for a roof.

Your numbers

sq ft
%
ft
ft
$

Result

Shingle bundles 88
Starter strip bundles 1
Ridge cap bundles 4
Shingle cost $3,906
That roof needs 88 bundles of shingles across 29.1 squares, plus 1 starter and 4 ridge cap, around $3,906 and roughly 9,319 nails.

Assumes three bundles per square, which covers most architectural shingles. Underlayment, ice-and-water shield, drip edge and flashing are separate and often add 15–20% to the material bill.

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Questions

About this calculator

How many bundles in a square?

Three for most standard and architectural shingles. Heavier designer and slate-look products can be four or five, so always check the packaging before ordering.

What else do I need besides shingles?

Underlayment, ice-and-water shield at eaves and valleys, drip edge, starter strip, ridge cap, flashing, nails and vents. The shingles alone are usually only about two-thirds of the material cost.

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