Calculates spindle spacing options for railings to meet building code requirements.
Start with your values, or try a preset.
Enter Rail Length (inches), Spindle Width (inches), and Maximum Spacing Allowed (inches) in the units shown.
Read Minimum Spindles Required, Available Space (inches), Total Space Used by Spindles (inches), Ideal Spacing (inches), Actual Spacing (inches), and Remaining Space (inches) in the results panel. Results update as you change the inputs.
Choose a preset to load an example, then adjust the values for your situation.
See the inputs and their calculated results.
Rail Length (inches): 72; Spindle Width (inches): 2; Maximum Spacing Allowed (inches): 4
Minimum Spindles Required: 12; Available Space (inches): 70 inches; Total Space Used by Spindles (inches): 24 inches; Ideal Spacing (inches): 6.363636364 inches; Actual Spacing (inches): 6.36 inches; Remaining Space (inches): -21.96 inches
Rail Length (inches): 36; Spindle Width (inches): 1; Maximum Spacing Allowed (inches): 4
Minimum Spindles Required: 8; Available Space (inches): 35 inches; Total Space Used by Spindles (inches): 8 inches; Ideal Spacing (inches): 5 inches; Actual Spacing (inches): 5 inches; Remaining Space (inches): -7 inches
Rail Length (inches): 60; Spindle Width (inches): 3; Maximum Spacing Allowed (inches): 4
Minimum Spindles Required: 9; Available Space (inches): 57 inches; Total Space Used by Spindles (inches): 27 inches; Ideal Spacing (inches): 7.125 inches; Actual Spacing (inches): 7.13 inches; Remaining Space (inches): -24.04 inches
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