Baluster Span for 4" (10.16cm) Ball Rule
7-1/16" On Center
3 @ 2
Feet (60.96cm)
8 @ 5 Feet
(1.524 meters)
10 @ 6 Feet
(1.8288 meters)
13 @ 8 Feet
(2.4384 meters)
14 @ 9 Feet
(2.7432 meters)
16 @ 10 Feet
(3.048 meters)
18 @ 11 Feet
(3.3528 meters)
19 @ 12 Feet
(3.6576 meters)