Just type a hole size, pitch, etc., and the Open Area is automatically calculated.
60 Degree staggered
Open Area (%)
P2
90.66 × D2
P2
Just type a hole size, pitch, etc., and the Open Area is automatically calculated.
45 Degree staggered
Open Area (%)
P2
78.5 × D2
P2
Just type a hole size, pitch, etc., and the Open Area is automatically calculated.
Straight
Open Area (%)
P1 × P2
78.5 × P2
P1 × P2
Just type a hole size, pitch, etc., and the Open Area is automatically calculated.
Round end slot staggered
Open Area (%)
100 ×
SP × LP
WL − 0.2146W2
SP × LP
Just type a hole size, pitch, etc., and the Open Area is automatically calculated.
Round end slot straight
Open Area (%)
100 ×
SP × LP
WL − 0.2146W2
SP × LP
Just type a hole size, pitch, etc., and the Open Area is automatically calculated.
Square staggered
Open Area (%)
SP1 × SP2
× 100
W2
SP1 × SP2
Just type a hole size, pitch, etc., and the Open Area is automatically calculated.
Square straight line
Open Area (%)
SP1 × SP2
× 100
W2
SP1 × SP2
Just type a hole size, pitch, etc., and the Open Area is automatically calculated.
Hexagonal 60 Degree staggered
Open Area (%)
P2
× 100
W2
P2
Just type a hole size, pitch, etc., and the Open Area is automatically calculated.
Square end slot staggered
Open Area (%)
SP × LP
× 100
W × L
SP × LP
Just type a hole size, pitch, etc., and the Open Area is automatically calculated.
Square end slot straight
Open Area (%)
SP × LP
× 100
W × L
SP × LP
