PCB Copper Weight Calculator

Convert PCB copper weight into nominal thickness in micrometers, mils, and millimeters.

01 / INPUTS

Copper weight

oz

1 oz ≈ 34.79 µm (standard reference).

02 / RESULT

COPPER THICKNESS

34.79 µm

Micrometers: 34.79 µm
Mils: 1.378 mil
Millimeters: 0.03479 mm

Calculation trace

1 oz × 34.79 = 34.79 µm
34.79 µm
Micrometers
1 oz × 1.378 = 1.378 mil
1.378 mil
Mils
34.79 µm ÷ 1000 = 0.03479 mm
0.03479 mm
Millimeters