Convert Millimeters (mm) to Mils (mil)

1 mm = 39.37 mil

How many Mils in a Millimeter?Printable chart →

Converting millimeters to mils is essential in various fields such as engineering and manufacturing. With the conversion factor of 1 mm = 39.3701 mil, you can easily translate measurements for precise applications.

Millimeter (mm)

Mil (Thou) (mil)

39.370079

≈ 39 3/8 mil

Formula: mil = mm × 39.3701

Conversion Formula

mil = mm × 39.3701

Reverse: mm = mil × 0.0254

Quick mental math: To estimate, you can multiply millimeters by 40 to quickly get a rough idea of the equivalent mils.

Conversion Examples

1 mm × 39.3701 =

39.37 mil

1 Millimeters = 39.37 Mils

5 mm × 39.3701 =

196.85 mil

5 Millimeters = 196.85 Mils

10 mm × 39.3701 =

393.701 mil

10 Millimeters = 393.701 Mils

25 mm × 39.3701 =

984.252 mil

25 Millimeters = 984.252 Mils

50 mm × 39.3701 =

1,968.5 mil

50 Millimeters = 1,968.5 Mils

100 mm × 39.3701 =

3,937.01 mil

100 Millimeters = 3,937.01 Mils

Millimeter to Mil (Thou) Table

Quick convert your value:

mm =—mil

Start:Step:Rows:Precision:

Millimeter (mm)	Mil (Thou) (mil)	Fraction
1	39.37	39 3/8
2	78.74	78 47/64
3	118.11	118 7/64
4	157.48	157 31/64
5	196.85	196 27/32
6	236.22	236 7/32
7	275.59	275 19/32
8	314.96	314 61/64
9	354.33	354 21/64
10	393.7	393 45/64
11	433.07	433 5/64
12	472.44	472 7/16
13	511.81	511 13/16
14	551.18	551 3/16
15	590.55	590 35/64
16	629.92	629 59/64
17	669.29	669 19/64
18	708.66	708 21/32
19	748.03	748 1/32
20	787.4	787 13/32

Unit Definitions

What is a Millimeter (mm)?

Metric (SI)Worldwide

A millimeter (mm) is a metric unit of length equal to one-thousandth of a meter.

History

The millimeter has been in use since the introduction of the metric system in the late 18th century. It is widely used in scientific and engineering applications.

Current Use

Today, millimeters are commonly used in various fields, including engineering, manufacturing, and everyday measurements.

What is a Mil (Thou) (mil)?

ImperialUnited States

A mil (thou) is a unit of length equal to one-thousandth of an inch or 0.0254 mm.

History

The term 'mil' originated in the United States and has been used in engineering and manufacturing for many decades. It is particularly common in industries that require precise thickness measurements.

Current Use

Mils are predominantly used in manufacturing, particularly in the production of materials like plastic films, coatings, and in some engineering specifications.

Frequently Asked Questions

How do I convert 10 mm to mils?

To convert 10 mm to mils, you can use the conversion factor of 1 mm = 39.3701 mil. Multiply 10 mm by this factor: 10 mm * 39.3701 mil/mm = 393.701 mil. This conversion is useful when measuring materials in industries like manufacturing where thickness is often specified in mils.

What is the equivalent of 5 mm in mils?

Using the conversion factor, 5 mm equals 5 * 39.3701 mil, which results in 196.85 mil. This conversion can be particularly handy when working on projects that require precise dimensions, such as in the construction of electrical components where mil measurements are common.

In what situations would I need to convert from mm to mil?

Converting from mm to mil is common in industries like printing, electronics, and textiles. For instance, if you are designing a circuit board and the thickness of the copper layer is specified in mils, you might need to convert your measurements from millimeters to ensure accuracy. If a copper layer is 0.5 mm thick, converting gives you approximately 19.685 mil.

Why is the mil measurement important in manufacturing?

The mil measurement is crucial in manufacturing because it allows for precise specifications in material thickness. For example, if a plastic film is 100 micrometers thick, converting to mils (100 micrometers is approximately 3.93701 mil) can help manufacturers align their production processes with industry standards that often use mil as a unit of measurement.

Can I use this conversion for everyday items?

Yes, everyday items often require such conversions, especially in DIY projects. For instance, if you are measuring the thickness of a piece of wood that is 12 mm thick, converting it to mils gives you 472.441 mil. This can help you choose the right fasteners or materials that are specified in mils.

Popular Length Conversions

Centimeter to Inchcm → in Meter to Footm → ft Meter to Kilometerm → km Meter to Centimeterm → cm Meter to Millimeterm → mm Meter to Micrometerm → μm Meter to Nanometerm → nm Meter to Milem → mi Meter to Yardm → yd Meter to Inchm → in Meter to Nautical Milem → nmi Meter to Fathomm → ftm Kilometer to Meterkm → m Kilometer to Centimeterkm → cm Kilometer to Millimeterkm → mm Kilometer to Micrometerkm → μm Kilometer to Nanometerkm → nm Kilometer to Milekm → mi Kilometer to Yardkm → yd Kilometer to Footkm → ft Kilometer to Inchkm → in Kilometer to Nautical Milekm → nmi Kilometer to Fathomkm → ftm Centimeter to Metercm → m Centimeter to Kilometercm → km Centimeter to Millimetercm → mm Centimeter to Micrometercm → μm Centimeter to Nanometercm → nm Centimeter to Milecm → mi Centimeter to Yardcm → yd Centimeter to Footcm → ft Centimeter to Nautical Milecm → nmi Centimeter to Fathomcm → ftm Millimeter to Metermm → m Millimeter to Kilometermm → km Millimeter to Centimetermm → cm Millimeter to Micrometermm → μm Millimeter to Nanometermm → nm Millimeter to Milemm → mi Millimeter to Yardmm → yd Millimeter to Footmm → ft Millimeter to Inchmm → in Millimeter to Nautical Milemm → nmi Millimeter to Fathommm → ftm Micrometer to Meterμm → m Micrometer to Kilometerμm → km Micrometer to Centimeterμm → cm Micrometer to Millimeterμm → mm Micrometer to Nanometerμm → nm Micrometer to Mileμm → mi Micrometer to Yardμm → yd Micrometer to Footμm → ft Micrometer to Inchμm → in Micrometer to Nautical Mileμm → nmi Micrometer to Fathomμm → ftm Nanometer to Meternm → m Nanometer to Kilometernm → km Nanometer to Centimeternm → cm Nanometer to Millimeternm → mm Nanometer to Micrometernm → μm Nanometer to Milenm → mi Nanometer to Yardnm → yd Nanometer to Footnm → ft Nanometer to Inchnm → in Nanometer to Nautical Milenm → nmi Nanometer to Fathomnm → ftm Mile to Metermi → m Mile to Kilometermi → km Mile to Centimetermi → cm Mile to Millimetermi → mm Mile to Micrometermi → μm Mile to Nanometermi → nm Mile to Yardmi → yd Mile to Footmi → ft Mile to Inchmi → in Mile to Nautical Milemi → nmi Mile to Fathommi → ftm Yard to Meteryd → m Yard to Kilometeryd → km Yard to Centimeteryd → cm Yard to Millimeteryd → mm Yard to Micrometeryd → μm Yard to Nanometeryd → nm Yard to Mileyd → mi Yard to Footyd → ft Yard to Inchyd → in Yard to Nautical Mileyd → nmi Yard to Fathomyd → ftm Foot to Meterft → m Foot to Kilometerft → km Foot to Centimeterft → cm Foot to Millimeterft → mm Foot to Micrometerft → μm Foot to Nanometerft → nm Foot to Mileft → mi Foot to Yardft → yd Foot to Inchft → in Foot to Nautical Mileft → nmi Foot to Fathomft → ftm Inch to Meterin → m Inch to Kilometerin → km Inch to Centimeterin → cm Inch to Millimeterin → mm Inch to Micrometerin → μm Inch to Nanometerin → nm Inch to Milein → mi Inch to Yardin → yd Inch to Footin → ft Inch to Nautical Milein → nmi Inch to Fathomin → ftm Nautical Mile to Meternmi → m Nautical Mile to Kilometernmi → km Nautical Mile to Centimeternmi → cm Nautical Mile to Millimeternmi → mm Nautical Mile to Micrometernmi → μm Nautical Mile to Nanometernmi → nm Nautical Mile to Milenmi → mi Nautical Mile to Yardnmi → yd Nautical Mile to Footnmi → ft Nautical Mile to Inchnmi → in Nautical Mile to Fathomnmi → ftm Fathom to Meterftm → m Fathom to Kilometerftm → km Fathom to Centimeterftm → cm Fathom to Millimeterftm → mm Fathom to Micrometerftm → μm Fathom to Nanometerftm → nm Fathom to Mileftm → mi Fathom to Yardftm → yd Fathom to Footftm → ft Fathom to Inchftm → in Fathom to Nautical Mileftm → nmi Meter to Decimeterm → dm Meter to Mil (Thou)m → mil Kilometer to Decimeterkm → dm Kilometer to Mil (Thou)km → mil Centimeter to Decimetercm → dm Centimeter to Mil (Thou)cm → mil Millimeter to Decimetermm → dm Micrometer to Decimeterμm → dm Micrometer to Mil (Thou)μm → mil Nanometer to Decimeternm → dm Nanometer to Mil (Thou)nm → mil Mile to Decimetermi → dm Mile to Mil (Thou)mi → mil Yard to Decimeteryd → dm Yard to Mil (Thou)yd → mil Foot to Decimeterft → dm Foot to Mil (Thou)ft → mil Inch to Decimeterin → dm Inch to Mil (Thou)in → mil Nautical Mile to Decimeternmi → dm Nautical Mile to Mil (Thou)nmi → mil Fathom to Decimeterftm → dm Fathom to Mil (Thou)ftm → mil Decimeter to Meterdm → m Decimeter to Kilometerdm → km Decimeter to Centimeterdm → cm Decimeter to Millimeterdm → mm Decimeter to Micrometerdm → μm Decimeter to Nanometerdm → nm Decimeter to Miledm → mi Decimeter to Yarddm → yd Decimeter to Footdm → ft Decimeter to Inchdm → in Decimeter to Nautical Miledm → nmi Decimeter to Fathomdm → ftm Decimeter to Mil (Thou)dm → mil Mil (Thou) to Metermil → m Mil (Thou) to Kilometermil → km Mil (Thou) to Centimetermil → cm Mil (Thou) to Millimetermil → mm Mil (Thou) to Micrometermil → μm Mil (Thou) to Nanometermil → nm Mil (Thou) to Milemil → mi Mil (Thou) to Yardmil → yd Mil (Thou) to Footmil → ft Mil (Thou) to Inchmil → in Mil (Thou) to Nautical Milemil → nmi Mil (Thou) to Fathommil → ftm Mil (Thou) to Decimetermil → dm

Related Conversions

Meter to Millimeterm → mm Kilometer to Millimeterkm → mm Centimeter to Millimetercm → mm Millimeter to Metermm → m Millimeter to Kilometermm → km

Convert Millimeters (mm) to Mils (mil)

Conversion Formula

Conversion Examples

Millimeter to Mil (Thou) Table

Unit Definitions

What is a Millimeter (mm)?

History

Current Use

What is a Mil (Thou) (mil)?

History

Current Use

Frequently Asked Questions

Popular Length Conversions

Convert Millimeter to Other Units

Related Conversions