Gutter Hanger Calculator
Estimate gutter hangers and full packs from total gutter length, number of runs, hanger spacing, end offsets, reinforced locations and waste allowance.
Default project preview
3 packs
Average run length
45 ft
Hangers per run
23
Reinforced locations
12
Base hanger quantity
104
Calculator
Build the material order
Your order will appear here
Enter the project details and calculate a rounded material estimate.
Input and output guide
What each value means
The labels and units below are part of this calculator’s visible methodology. Replace every default with measurements or product data from the actual project.
Total gutter length
Enter this project assumption in ft. The current imperial default is 180 ft.
Separate gutter runs
Enter this project assumption in a unitless value. The current imperial default is 4. Minimum: 1.
Hanger spacing
Enter this project assumption in in. The current imperial default is 24 in.
Hanger offset from each run end
Enter this project assumption in in. The current imperial default is 6 in.
Extra hangers at outlets and corners
Enter this project assumption in a unitless value. The current imperial default is 12. Minimum: 0.
Damage and spare allowance
Enter this project assumption in %. The current imperial default is 8 %. Minimum: 0. Maximum: 50.
Hangers per pack
Enter this project assumption in a unitless value. The current imperial default is 50.
Price per pack
Enter this project assumption in a unitless value. The current imperial default is 46. Minimum: 0.
How to read the outputs
Average run length
4 separate runs. Default preview: 45 ft.
Hangers per run
modeled regular spacing. Default preview: 23.
Reinforced locations
outlets, corners and selected details. Default preview: 12.
Base hanger quantity
before spares. Default preview: 104.
Purchased hangers
50 per pack. Default preview: 150.
Hanger cost
hangers only. Default preview: $138.00.
Methodology
Transparent calculation
BuildMeter converts every input to a consistent internal unit, applies the selected allowance, and rounds products up to whole purchasable units.
Each run receives end hangers plus regularly spaced interior hangers. Extra reinforced locations and spare allowance are added before rounding to full packs.
BuildMeter Guides
Understand the measurements and assumptions
Use these visible reference guides before changing project inputs or planning allowances.
FAQ
Gutter Hanger Calculator questions
Why enter the number of gutter runs?+
Each separate run needs end hangers, so several short runs can require more hardware than one continuous run.
Should outlets receive extra hangers?+
Many installations reinforce outlets, corners and joints, but use the gutter-system instructions for exact placement.
Does this include fascia screws?+
It estimates hanger pieces. Verify whether the selected pack includes suitable fasteners.