Roofing Calculators

Calculate the number of roof trusses needed based on roof length and on-center spacing.

Calculate the number of rafters needed for your roof based on length and spacing.

Calculate the number and length of ridge boards needed for your roof peak.

Calculate how many 4x8 OSB sheets you need to sheathe your roof deck.

Calculate the number of shingle bundles needed to cover your roof area.

Calculate how many rolls of roofing felt or synthetic underlayment you need.

Calculate the linear feet and pieces of drip edge flashing needed for your roof perimeter.