Trace Width Calculator
Calculate the required PCB trace width to safely carry current without melting, using IPC-2221 standards. Includes voltage drop estimations.
Power & Geometry
Enter your target current and copper weight
°C
Reference: 1 oz/ft² copper is exactly 0.035 mm (1.37 mils) thick.
Required Trace Width
Minimum dimensions for safety
Minimum Trace Width
2.766mm
108.88 mils
Voltage Drop
0.093V
Power Dissipated
0.463W