Inch to Microinch Converter (in to µin)

How to convert inches to microinches

1 inch is equal to 1,000,000 microinches, and 1 microinch is equal to 0.000001 inches. To convert, multiply by the conversion factor:

microinches = inches × 1,000,000
microinches = inches ÷ 0.000001

Example: convert 1 in to µin: 1 × 1,000,000 = 1,000,000 µin.

The inch is defined as exactly 2.54 cm. It's used in the US and UK for screen sizes, tools, construction and personal height.

Symbol: in · 1 in = 0.0254 m · Category: Imperial & US customary

A microinch is one millionth of an inch (25.4 nm). It's used to specify surface roughness in machining.

Symbol: µin · 1 µin = 2.54 × 10⁻⁸ m · Category: Imperial & US customary

Frequently asked questions

How many microinches are in a inch?

There are 1,000,000 microinches in 1 inch (in).

How many inches are in a microinch?

1 microinch (µin) equals 0.000001 inches.

How do I convert inches to microinches?

Multiply the length in inches by 1,000,000. For example, 1 in × 1,000,000 = 1,000,000 µin.

How do I convert microinches to inches?

Divide the length in microinches by 1,000,000, or multiply it by 0.000001. You can also use the Microinch to Inch converter.