Free Gutter Calculator

Estimate gutter materials in seconds. Enter your gutter linear feet (or house perimeter) to get the number of 10-ft sections, downspouts, elbows, end caps, hangers, and sealant you'll need. Or measure gutter footage automatically from satellite imagery with SquareCount.

How to calculate gutter materials

Gutter calculator — FAQs

How do you calculate gutter materials?

Start with total gutter linear feet (the length of the roof eaves). Divide by 10 for 10-ft sections, add one downspout per ~35–40 ft, two elbows per downspout, end caps per run, and a hanger about every 3 feet.

How do I measure gutter linear feet?

Gutter linear feet is the total length of the roof eaves. Measure on-site, or measure it automatically from satellite imagery with SquareCount in about 60 seconds.

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