Roofing Calculator
Estimate Your Roof Area & Replacement Cost Instantly
Looking for a fast, accurate way to estimate your roof replacement cost? Use our free Roofing Calculator to determine your roof square footage, choose your materials, and get an instant roof cost estimate — no guessing or spreadsheets required.
Whether you’re planning a new roof installation or trying to budget for a replacement, this tool is the easiest way to get started.
JB Home Renovations - Roofing Calculator
Step 1: Roofing Area Calculator
Step 2: Roofing Material & Cost Calculator
Ready to Get Started?
Contact JB Home Renovations today for a free roof inspection and detailed estimate.
Request Free InspectionHow Our Roof Cost Calculator Works
Our tool combines a roof pitch calculator, roof area calculator, and roof replacement cost calculator into one seamless experience.
Just follow these 2 steps:
Enter your home’s base area, pitch, and eaves to calculate your total roof square footage.
Select your roofing material (shingle, metal, or flat) and indicate if tear-off is required.
The tool instantly shows a cost range per square foot based on real-time industry averages in your area.
Roof Calculator Features
Roof Area Calculator: Estimate roof square footage based on base area, pitch, and overhang.
Roof Pitch Calculator: Factor in roof steepness for better accuracy.
Shingle Roof Calculator: Get a fast price estimate for asphalt shingles.
Metal Roof Calculator: See how much a metal roof may cost, with or without tear-off.
Roofing Material Calculator: Choose between asphalt, metal, or flat roof systems.
Roof Replacement Cost Calculator: Includes both material and labor estimates.
Why Homeowners Use Our Roofing Cost Calculator
Save time and avoid overpaying by getting a realistic budget range.
Estimate costs for metal roofing, shingle roofs, or flat roofing options.
Calculate roof square footage even if you don’t know your pitch or slope.
Easily decide whether or not you need to factor in old roof tear-off.
Whether you’re a homeowner preparing for a renovation or a property manager comparing materials, our calculator simplifies the decision process.
“This tool gave me an accurate estimate in under 2 minutes — super helpful before getting quotes from contractors.”
Roofing Calculator for Chicago & Surrounding Areas
JB Home Renovations is proud to serve homeowners and businesses across Chicago, offering top-rated roofing services. Our roof cost calculator is tailored for properties in the Midwest, taking into account local labor and material rates for more precise estimates.
Use it to compare:
Shingle roof cost in Chicago
Metal roof cost with tear-off
Flat roof replacement for commercial or residential
Frequently Asked Questions
Answering your questions about Roofing Calculator.
What is a roofing calculator?
A roofing calculator helps estimate the total area and cost of replacing your roof based on home size, pitch, material, and tear-off requirements.
How accurate is the roof replacement cost calculator?
Our calculator gives a ballpark estimate based on average rates in the Chicago area. For a precise quote, schedule a free inspection with our team.
Can I use this as a metal roof cost calculator?
Yes — simply select the Metal roofing option and the calculator will estimate costs based on current pricing for steel or aluminum systems.
Does the calculator include labor?
Yes, both material and labor costs are included in the price range shown.
How do I calculate how much roofing I need?
To calculate how much roofing you need, measure the base square footage of your home and multiply it by a roof pitch factor to get the total roof square footage. You can also include eaves or overhangs for greater accuracy. Our built-in roof area calculator automates this process for you.
How to calculate the cost of a roof?
To estimate roof cost, multiply the total roof area (in sq. ft.) by the cost per square foot for your chosen material. Don’t forget to factor in labor, tear-off, and disposal fees. Our roof cost calculator makes this easy by providing a low-to-high price range based on your inputs.
How do I estimate a roofing job?
Estimating a roofing job involves measuring the roof area, selecting the roofing type (asphalt shingle, metal, or flat), and adding any extras like tear-off or insulation. Contractors also factor in labor, permits, and local rates. Use our roofing calculator to generate a quick ballpark quote.
How much does a roof cost in Chicago?
In Chicago, a new roof can cost anywhere from $6,000 to $20,000+, depending on the size, slope, material, and whether tear-off is required. On average, asphalt shingle roofs cost $5–$8 per sq. ft., while metal roofs range from $8–$14 per sq. ft.. Use our Chicago roof replacement cost calculator to get a personalized estimate in seconds.
Ready to Get a Real Roofing Estimate?
Use our roofing calculator to get a quick estimate, then let J&B Home Renovations handle the rest. From free inspections to full roof replacements, our team is here to help.