PCB Capacitance Per Unit Length Formula
Equation for calculate pcb capacitance per unit length is,
c = (2.64 x 10-11) x (e + 1.41) / (LN((5.98 x h) / (0.8 x w + t)))
Where,
e = Relative Permittivity
h = Height of Dielectric
w = Width of Trace
t = Trace Thickness
c = Capacitance per unit length