Conduit Fill Calculator Conduit Fill Calculator Conduit Type: PVC (Schedule 40) RMC (Rigid Metal Conduit) IMC (Intermediate Metal Conduit) Conduit Size: 1/2″ 3/4″ 1″ 1 1/4″ 1 1/2″ 2″ 2 1/2″ 3″ 3 1/2″ 4″ Wire Type: THHN THWN XHHW XHHW-2 USE RHH RHW Wire Size (AWG or kcmil): 14 12 10 8 6 4 3 2 1 1/0 2/0 3/0 4/0 250 kcmil 300 kcmil 350 kcmil 400 kcmil 500 kcmil 600 kcmil 750 kcmil Number of Conductors: Calculate Fill Contact Us today +1 (445) 212 2227 plans@electricalestimatingservices.us Upload Plans