Calculator of convert mm to mil. 1 mm = 39.37 mil
1 mil is also referred to as 1 thou. In the United States and other countries where the yard-pound system is the mainstream, mil is often used in board design.

1 mil = 0.0254 mm

1 mm = 0.0393701 inches
Inches are sometimes denoted by "(double quotation)".
Inches are sometimes written in double quotation marks.

This is a calculator that converts inches to mm.
1 inch = 25.4 mm

This is a calculator that converts 3-digit capacitor capacitance to uF.
104=0.1uF etc.

103=10k ohm,etc.

-3db = 0.707

Convert V1/V2 to dB.

Convert P1/P2 to dB.