Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Roof Shingle Estimator (with Pitch)

Estimate the shingle bundles needed for a roof using the building footprint and the roof pitch. Enter the footprint length and width, choose the pitch to set the slope multiplier, add a waste allowance, and pick the shingle type to get the bundle count.

Footprint Length (ft)

Footprint Width (ft)

Roof Pitch

Waste Allowance (%)

Shingle Type

Fill in the required fields to see your result.

Construction

Roofing Shingle Calculator

Calculates the number of roofing squares needed to cover a roof, including a user-defined waste allowance. Use this when ordering shingles for a new roof or a re-roofing project.

Roof Area (sq ft)

Waste Allowance

Fill in the required fields to see your result.

Key differences

	Roof Shingle Estimator (with Pitch)	Roofing Shingle Calculator
Category	Construction	Construction
Inputs required	5	2
Result	Shingle Bundles Needed (bundles)	Shingle Squares Needed (squares)
What it does	Estimate the shingle bundles needed for a roof using the building footprint and the roof pitch. Enter the footprint length and width, choose the pitch to set the slope multiplier, add a waste allowance, and pick the shingle type to get the bundle count.	Calculates the number of roofing squares needed to cover a roof, including a user-defined waste allowance. Use this when ordering shingles for a new roof or a re-roofing project.