免费雨水槽长度计算器
计算房屋所需的雨水槽总长度和配件数量。
Total Gutter Length
100 ft
Total Gutter Length vs Front Edge Length
公式
## How to Calculate Gutter Length ### Formula **Total Length = Front + Back + Left Side + Right Side** **Sections = ceil(Total Length / Section Length)** **Downspouts = ceil(Total Length / Max Spacing)** Measure every roof edge that needs a gutter. Standard residential gutters are 5 inches wide (K-style) and sold in 10-foot sections. Each run of gutter should have a downspout no more than 40 feet from the end or high point of the run. ### Slope Gutters must slope toward the downspout at about 1/4 inch per 10 feet of run. For runs longer than 40 feet, slope from the center toward downspouts at each end.
计算示例
A ranch home with 50 ft of gutter on front and back, no side gutters, 10-ft sections, and 40-ft downspout spacing.
- 01Total gutter = 50 + 50 + 0 + 0 = 100 ft
- 02Sections = ceil(100 / 10) = 10 sections
- 03Downspouts = ceil(100 / 40) = 3 downspouts
- 04No corners needed for straight runs
常见问题
How often do I need a downspout?
Place a downspout every 30 to 40 feet of gutter run. Each downspout can handle about 600 sq ft of roof area. For heavy rainfall areas, reduce the spacing or use larger 3x4 inch downspouts.
What size gutters should I use?
Standard residential gutters are 5-inch K-style. For homes with large roof areas or steep pitches, 6-inch gutters handle significantly more water and are less prone to overflow. Commercial buildings often use 6-inch half-round gutters.
Should I use sectional or seamless gutters?
Seamless gutters are custom-formed on-site and have no joints along the run, which eliminates most leak points. Sectional gutters are sold in 10-foot pieces and are a good DIY option but require sealant at every joint.
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