PCB Creepage & Clearance Calculator

PCB Creepage & Clearance Calculator

Calculate PCB creepage and clearance distances per IEC 60950/62368. Safety-critical for high-voltage designs.

Key Formulas

Clearance: Dclr = 0.003V + 0.5mm (minimum)

Creepage: Dcrp ≥ Dclr × CTI factor