Mils (mil)	Inches (in)
1 mil	0.001 in
2 mil	0.002 in
5 mil	0.005 in
10 mil	0.01 in
25 mil	0.025 in
50 mil	0.05 in
100 mil	0.1 in
250 mil	0.25 in
500 mil	0.5 in
1000 mil	1 in

Convert Mils to Inches

Convert mils to inches (mil to in) with our instant calculator. 1 mil = 0.001 in. Includes exact formula and reference tables.

How to Convert Mils to Inches (mil to in)

1 Mil (Thou) (mil) is equal to 0.001 Inches (in). Divide the mil (thou) value by 1000

Quick Answer 1 mil = 0.001 in

Formula in = mil / 1000

Inverse Factor 1 in = 1000 mil

Unit Definitions & Metrology Context

The standard SI base unit of length is the meter (m), defined as the distance traveled by light in a vacuum in 1/299,792,458 of a second.

About Mils (mil): Mil (Thou) (mil) is a unit in the Length & Distance measurement category. It is widely used in 0.001 in (pcb traces, sheet metal, paint). Relative to the length & distance base unit, 1 mil equals 0.000025 Meters (m).

About Inches (in): Inch (in) is a unit in the Length & Distance measurement category. It is a standard everyday unit of length & distance measurement. Relative to the length & distance base unit, 1 in equals 0.0254 Meters (m).

Need to convert in the opposite direction? Visit our Convert Inches to Mils (in to mil) calculator (1 in = 1000 mil).

Step-by-Step Worked Examples (mil to in)

Convert 5 Mils to Inches: Applying the formula (in = mil / 1000): starting with 5 mil, divide the mil (thou) value by 1000 to get 0.005 in.
Convert 10 Mils to Inches: Applying the formula (in = mil / 1000): starting with 10 mil, divide the mil (thou) value by 1000 to get 0.01 in.
Convert 50 Mils to Inches: Applying the formula (in = mil / 1000): starting with 50 mil, divide the mil (thou) value by 1000 to get 0.05 in.

Popular Length & Distance Conversions

Kilometer ⇄ Mile

Multiply kilometers by ~0.621371 to get miles, or divide miles by 0.621371 to get kilometers.

Inch ⇄ Centimeter

1 inch is legally and scientifically defined as exactly 2.54 centimeters.

Foot ⇄ Meter

1 foot is defined as exactly 0.3048 meters (12 inches).

Mile ⇄ Nautical Mile

1 nautical mile is exactly 1,852 meters (~1.15078 statute miles).

Frequently Asked Questions

Verified answers and formulas for converting mils to inches.

How many inches are in 1 mil (thou)?

There are 0.001 inches (in) in 1 mil (thou) (mil). Conversely, 1 inch equals 1000 mils.

How do you convert mils to inches?

To convert mils (mil) to inches (in), use the formula: in = mil / 1000. Divide the mil (thou) value by 1000. For example, 10 mil equals 0.01 in.

How do I convert back from inches to mils?

To convert in the reverse direction from inches (in) to mils (mil), use the inverse formula: mil = in × 1000. Multiply the inch value by 1000 (1 in = 1000 mil).

What is the difference between mil (thou) (mil) and inch (in)?

Both mil (thou) and inch measure length & distance. Mil (Thou) (mil) is a unit in the Length & Distance measurement category. It is widely used in 0.001 in (pcb traces, sheet metal, paint). Relative to the length & distance base unit, 1 mil equals 0.000025 Meters (m). Inch (in) is a unit in the Length & Distance measurement category. It is a standard everyday unit of length & distance measurement. Relative to the length & distance base unit, 1 in equals 0.0254 Meters (m).

How many miles are in a kilometer?

There are approximately 0.621371 miles in 1 kilometer. To convert kilometers to miles quickly in your head, multiply by 6 and divide by 10 (or multiply by 0.6).