Gutter Run Stock calculator.
Count standard gutter lengths and supplied fittings across separate runs.
Your inputs
Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.
A clear estimate starts here.
Enter your dimensions and product details to see the quantity and purchase breakdown.
Formula and assumptions
How this calculation works.
Run dimensions and fitting counts are supplied. Flow capacity, fall, supports and downpipe sizing are excluded.
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Usable gutter stock length
- 3 m
- Supplied corner fittings
- 2
- Supplied outlets
- 2
- Supplied end caps
- 2
- Measured straight run length
- 7 m
- Measured straight run length
- 4 m
Gutter stock lengths: 5 lengths
Before you purchase
Use dimensions from your plan and properties from your chosen product. Any design spacing, section or fixing pattern must already be specified.
Run dimensions and fitting counts are supplied. Flow capacity, fall, supports and downpipe sizing are excluded.
Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-04. Calculation and review policy.