Roofing & exterior
5 calculators in this category.
Browse calculators and guides for Roofing & exterior. Each calculator links to related guides and similar tools to help you plan faster.
Roofing calculator
Estimate shingles by bundles and squares.
Deck board calculator
Estimate deck boards and optional cost.
Fence calculator
Estimate panels and posts for a fence line.
Asphalt driveway calculator
Estimate tons, volume, and truckloads.
Board feet calculator
Estimate lumber volume and cost.
Related guides
How to estimate roofing shingles
Squares, bundles, and how to add waste.
How many shingles for a shed roof
A fast approach for small simple roofs.
How to estimate deck boards
Deck area, board coverage, and spacing basics.
How to estimate fence materials
Panels, posts, gates, and layout assumptions.
How many fence posts do I need?
Post spacing, corners, and gate posts explained.
FAQ
Are these calculators accurate?
They are practical estimates based on your inputs and common assumptions. For critical projects, confirm with product specs or a professional.
Why do you recommend adding waste/overage?
Real projects include cuts, mistakes, uneven surfaces, and rounding to boxes/bundles. A small buffer prevents shortages and extra trips.
Can I share my result?
Yes. Most calculators support shareable links that keep your inputs so you can revisit or send the estimate to someone else.