Roofing Calculators & Estimating Articles
What Is a Roofing Square? A Simple Homeowner Guide
A roofing square is a roofing measurement equal to 100 square feet of roof surface. Roofers use squares because shingles, underlayment, labor, and waste...
How to Calculate Roofing Squares for Your Home
To calculate roofing squares, estimate the roof footprint, apply a pitch multiplier, add a waste allowance, then divide the total roofing area by 100 an...
Roof Pitch Multipliers: How Pitch Changes Your Roofing Estimate
A roof pitch multiplier converts flat roof footprint into sloped roof surface area. Higher pitch means more roof surface over the same home footprint, s...
How Much Shingle Waste Should You Add to a Roofing Estimate?
Many planning estimates add about 10 percent waste for simple roofs, 15 percent for moderate roofs, and 20 percent or more for complex roofs. Waste cove...
How Many Shingle Bundles Do You Need Per Roofing Square?
Many standard asphalt shingle products use about three bundles per roofing square, but exact coverage varies by manufacturer, shingle style, and packagi...
How to Measure Your Roof From the Ground or Using Home Dimensions
You can estimate roof size from the ground by measuring the building footprint, adding covered sections such as garages and porches, applying a pitch mu...
How Much Underlayment Do You Need for a Roof?
For rough planning, divide the estimated roofing area by the roll coverage. The RoofExplained calculator assumes about 400 square feet per underlayment...
Roof Replacement Cost Per Square: What Homeowners Should Expect
Roof replacement cost per square is the cost to replace 100 square feet of roof area. It is useful for comparing estimates, but the number can include d...
Why Your Roof Is Bigger Than Your Home's Square Footage
Roof square footage is often larger than home square footage because it measures the sloped roof surface, not just the interior living area. Pitch, gara...
Roofing Material Checklist: What Is Needed for a Shingle Roof?
A shingle roof material checklist usually includes field shingles, starter shingles, ridge caps, underlayment, ice and water shield where needed, drip e...
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Hiring a Roofing Contractor
Questions, checklists, quote comparisons, and red flags to help homeowners choose a roofing contractor with more confidence.
Local Roofing Cost Guides
Location-specific roof replacement cost guides that explain regional labor, material, weather, and code differences.
Roof Maintenance
Preventive roofing guides for inspections, leak prevention, gutter care, ventilation checks, and extending roof life.
Compare Roofing Quotes With More Confidence
Before choosing a roofing contractor, compare detailed quotes that show materials, labor, tear-off, flashing, ventilation, decking repair rates, cleanup, and warranty terms.
RoofExplained helps homeowners understand roofing costs, repairs, storm damage, insurance, materials, and contractor questions before requesting quotes.