Roofing Calculators
Free roofing and exterior calculators with instant results — no signup, no email, no waiting. Choose a tool below and get your numbers in under a minute.
Whether you’re budgeting for a full roof replacement, measuring pitch for a repair, or pricing gutters and siding, these roofing calculators give you contractor-grade numbers in seconds. Every tool is free, works on any device, and shows its math — no hidden steps.
Roof Cost Calculators
Start with the big number. These roofing calculators estimate installed costs for asphalt, metal, and specialty roofing — including labor, tear-off, and pitch adjustments.
Roof Cost Estimator
Get an instant installed cost range for asphalt, metal, tile, or flat roofing.
Roofing Estimator
A contractor-grade roofing estimator with material, pitch, and tear-off adjustments.
Instant Roof Estimate
A 60-second roof estimate with no signup and no email required.
Metal Roof Cost Calculator
Price standing seam and metal panel roofs with 2026 installed rates.
Metal Roofing Calculator
Estimate metal roofing panels plus full installed cost for Illinois homes.
Metal Roofing Estimates
Compare metal roofing estimate ranges side by side before you call a contractor.
Metal Roof Estimate
A quick ballpark cost for a new metal roof on your home.
Metal Roof Material Calculator
Figure out exactly how much metal roofing material your project needs.
Cost Calculator for Metal Roofing
Compare installed costs across five metal roofing types for your home.
Roof Measurement Tools
Measure it right the first time. These roofing calculators handle slope, pitch, area, squares, and snow load with instant conversions.
Roof Slope Calculator
Convert roof slope to pitch, degrees, and rise in seconds.
Roof Pitch Calculator
Find your roof’s pitch from simple rise and run measurements.
Roof Area & Squares Calculator
Measure roof area and convert to roofing squares for material orders.
Square Footage Calculator
Calculate square footage of any roof plane or room, fast.
Snow Load Calculator
Check how much snow weight your roof can safely handle.
Gutter Calculators
Price gutters and plan drainage with calculators for installation costs, slope, and downspout layout.
Gutter Installation Cost Calculator
Estimate new gutter installation cost with a free 2026 price range.
Gutter Replacement Cost Calculator
Price full gutter replacement including removal and disposal.
Gutter Slope Calculator
Dial in the perfect gutter pitch for proper drainage.
Gutter Fall Calculator
Plan gutter slope and downspout placement like a pro.
Exterior Calculators
Beyond the roof — calculators for siding, soffit, and fence materials plus installed costs.
Siding Calculator
Estimate siding squares and installed cost instantly.
Deck Calculator
Estimate deck cost by material, plus boards, joists and posts.
Window Replacement Cost Estimator
Per-window replacement prices by frame material and window type.
Window Replacement Cost Calculator
Full project cost: windows, add-ons and labor, calculated instantly.
Fence Cost Calculator
Installed fence price per linear foot by material, plus gates.
Chain Link Fence Cost Estimator
Line-item estimate: fabric, posts, top rail, gates and labor.
Fence Installation Cost Calculator
Installation cost: labor, post holes, concrete, removal and permits.
Deck Material Calculator
Boards, joists, beams, posts and concrete for any deck size.
Fence Cost Estimator
Line-item fence estimate: materials, labor, gates and permits.
Picket Fence Calculator
Picket count, spacing, rails and installed cost in seconds.
Vinyl Siding Cost Calculator
Installed vinyl siding $/sq ft by grade, plus trim and waste.
Vinyl Siding Calculator
Price vinyl siding materials and labor for your home.
Soffit Calculator
Measure soffit area and estimate your material needs.
Fence Calculator
Build a fence materials list with an installed cost range in seconds.
Roofing Calculators FAQs
Are these roofing calculators really free?
Yes — every calculator on this page is 100% free with unlimited use. No signup, no email, and no paywalls. We built these roofing calculators to help Illinois homeowners plan with real numbers.
How accurate are the cost estimates?
Our roofing calculators use current 2026 installed rates for the Chicago area, adjusted for pitch, stories, and tear-off. They give you a reliable ballpark — typically within 10–15% of a contractor quote — perfect for budgeting before you call. National cost data from HomeAdvisor’s roof replacement cost guide tracks the same ranges.
Do I need to create an account to use these tools?
No. Unlike many estimator sites, our roofing calculators show your results instantly on the page. Nothing is emailed, stored, or shared.
Which calculator should I start with?
If you’re budgeting a roof replacement, start with the Roof Cost Estimator. If you’re measuring an existing roof, try the Roof Pitch Calculator first.
Need a Firm Quote?
Our calculators give you the ballpark — Zuniga Roofing gives you the exact number with a free on-site inspection.