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www.homeexpertly.comGutter Calculator
Work out exactly how much gutter you need — linear feet, downspouts, hangers, elbows, end caps and miters — plus a sized-for-your-rainfall drainage check, U.S. material pricing, a material comparison, and a downloadable PDF.
Uses 2024-2025 U.S. average prices and standard drainage rules of thumb. Downspout counts assume a 4 in/hr reference rainfall intensity. Confirm sizing against your local code. For planning purposes only.
Roof, Gutter & Cost
1
Roof & Gutter Runs
ft
×
ft
ft
ft
sq ft
2
Gutter Type & Size
$/ ft
6-inch profiles typically run 20-25% more per foot than 5-inch
6 in/hr
Peak 5-minute design rate. U.S. typical 4-9 in/hr — Gulf Coast high, Pacific NW low.
3
Downspouts, Hardware & Cost
$/ ft
$/ ft
Handles double the flow of a 2×3 — fewer drops, fewer clogs$/ ft
Pairs with half-round gutters; common in copper and zinc systemsft
1 story ~10 ft, 2 story ~20 ft. Add 3 ft per drop for elbows and the ground extension.in
24" is standard; use 16-18" in snow or ice-dam country$each
$each
Counts are auto-estimated from your roof style and downspout count$/ ft
Pro install ~$3 - $8 per linear ft. Set 0 for DIY / materials only.$/ ft
DIY screens ~$1-4/ft; pro micro-mesh systems can reach $10-20/ft installed
Gutter Estimate
Total Gutter Run Needed
—
Enter your roof to begin
Gutter (linear ft)
—
Downspouts
—
Hangers
—
Full Cost Breakdown
Gutter run —
Gutter material —
Downspouts —
Hangers & accessories —
TOTAL ESTIMATE—
Total cost / ft
—
Downspout linear ft
—
Install labor
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Cost Breakdown Chart
Estimated cost by category ($)
Gutter Material Comparison — Your Roof
| Material | Price / ft | Gutter Cost | Total Estimate | Typical Life |
|---|
For your 80 ft of gutter, with the same downspouts, hardware and labor. Copper and zinc cost the most up front but outlast everything else.