Gutter Calculator
Linear feet of gutter and downspouts.
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How to use this calculator
- Measure the total roofline (eaves) length.
- See gutter feet and downspouts needed.
- Get an installed cost range.
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Frequently asked questions
- How many downspouts do I need?
- Plan about one downspout per 35 feet of gutter, plus one at each corner. Direct the water well away from the foundation.
- How much does guttering cost?
- Aluminum gutters run about $8–$12 per linear foot installed. A typical home with 120 feet runs roughly $1,000–$1,500.