Convert Inch to Thou Online

About Inch to Thou Conversion

This converter converts Inch (in) to Thou (mil). One Inch (in) equals 999.9999999999999 Thou (mil).

Formula:

1 Inch (in) = 999.9999999999999 Thou (mil)

Example:

1 in = 999.9999999999999 mil
2 in = 1999.9999999999998 mil

Inch (in) to Thou (mil) Conversion

A clear guide to converting Inch into Thou. Includes numeric examples, formulas, and a breakdown of where this conversion appears in science, engineering, and daily applications.

Conversion Formula

Thou = Inch × 1000

To convert Inch (in) to Thou (mil), multiply the value by 1000. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 in to mil.

  • Step 1: Write the formula: mil = in × 1000
  • Step 2: Substitute: 1 × 1000
  • Step 3: Result: 1000 mil
So, 1 in = 1000 mil.

About the Units

Inch (in)

One Inch (in) equals 1000 Thou (mil)

A widely used unit across scientific, engineering, and measurement contexts.

Thou (mil)

One Thou (mil) equals 0.001 Inch (in)

Common in precision engineering and laboratory measurement.

Where This Conversion Is Used

  • Converting values from Inch to Thou for engineering or scientific workflows.
  • Used when normalizing mixed-unit datasets requiring consistent Thou representation.
  • Applied when comparing different measurement systems across tools and documents.
  • Common in carpentry, architecture, and traditional US/UK measurement scenarios.

Frequently Asked Questions

How many Thou (mil) are in 1 Inch (in)?

1 in = 1000 mil.

What is the formula for converting Inch (in) to Thou (mil)?

Multiply the in value by 1000.

Can I reverse the conversion?

Yes. 1 mil = 0.001 in.

Conclusion

By applying the conversion factor shown above, you can reliably convert Inch (in) to Thou (mil) for use in scientific analysis, engineering calculations, academic work, or daily measurements.

Quick Links for Unit Converters

Convert Inch to Other Units

Inch to Foot

1 in = 0.08333333333333333 ft

1 Inch (in) = 0.08333333333333333 Foot (ft)

1 inch equals 0.08333333333333333 foot.

Inch to Feet

1 in = 0.08333333333333333 ft

1 Inch (in) = 0.08333333333333333 Feet (ft)

1 inch equals 0.08333333333333333 feet.

Inch to Centimeter

1 in = 2.54 cm

1 Inch (in) = 2.54 Centimeters (cm)

1 inch equals 2.54 centimeters.

Inch to Meter

1 in = 0.0254 m

1 Inch (in) = 0.0254 Meter (m)

1 inch equals 0.0254 meter.

Inch to Kilometer

1 in = 0.000025399999999999997 km

1 Inch (in) = 0.000025399999999999997 Kilometer (km)

1 inch equals 0.000025399999999999997 kilometer.

Inch to Millimeter

1 in = 25.4 mm

1 Inch (in) = 25.4 Millimeters (mm)

1 inch equals 25.4 millimeters.

Inch to Yard

1 in = 0.027777777777777776 yd

1 Inch (in) = 0.027777777777777776 Yard (yd)

1 inch equals 0.027777777777777776 yard.

Inch to Yoctometer

1 in = 2.54e+22 ym

1 Inch (in) = 2.54e+22 Yoctometers (ym)

1 inch equals 2.54e+22 yoctometers.

Inch to Zeptometer

1 in = 25400000000000000000 zm

1 Inch (in) = 25400000000000000000 Zeptometers (zm)

1 inch equals 25400000000000000000 zeptometers.

Inch to Attometer

1 in = 25399999999999996 am

1 Inch (in) = 25399999999999996 Attometers (am)

1 inch equals 25399999999999996 attometers.

Inch to Femtometer

1 in = 25399999999999.996 fm

1 Inch (in) = 25399999999999.996 Femtometers (fm)

1 inch equals 25399999999999.996 femtometers.

Inch to Picometer

1 in = 25400000000 pm

1 Inch (in) = 25400000000 Picometers (pm)

1 inch equals 25400000000 picometers.

Inch to Nanometer

1 in = 25399999.999999996 nm

1 Inch (in) = 25399999.999999996 Nanometers (nm)

1 inch equals 25399999.999999996 nanometers.

Inch to Micrometer

1 in = 25400 µm

1 Inch (in) = 25400 Micrometers (µm)

1 inch equals 25400 micrometers.

Inch to Decimeter

1 in = 0.25399999999999995 dm

1 Inch (in) = 0.25399999999999995 Decimeter (dm)

1 inch equals 0.25399999999999995 decimeter.

Inch to Decameter

1 in = 0.0025399999999999997 dam

1 Inch (in) = 0.0025399999999999997 Decameter (dam)

1 inch equals 0.0025399999999999997 decameter.

Inch to Hectometer

1 in = 0.000254 hm

1 Inch (in) = 0.000254 Hectometer (hm)

1 inch equals 0.000254 hectometer.

Inch to Megameter

1 in = 2.54e-8 Mm

1 Inch (in) = 2.54e-8 Megameter (Mm)

1 inch equals 2.54e-8 megameter.

Inch to Gigameter

1 in = 2.5399999999999998e-11 Gm

1 Inch (in) = 2.5399999999999998e-11 Gigameter (Gm)

1 inch equals 2.5399999999999998e-11 gigameter.

Inch to Terameter

1 in = 2.5399999999999998e-14 Tm

1 Inch (in) = 2.5399999999999998e-14 Terameter (Tm)

1 inch equals 2.5399999999999998e-14 terameter.

Inch to Petameter

1 in = 2.54e-17 Pm

1 Inch (in) = 2.54e-17 Petameter (Pm)

1 inch equals 2.54e-17 petameter.

Inch to Exameter

1 in = 2.5399999999999998e-20 Em

1 Inch (in) = 2.5399999999999998e-20 Exameter (Em)

1 inch equals 2.5399999999999998e-20 exameter.

Inch to Zettameter

1 in = 2.54e-23 Zm

1 Inch (in) = 2.54e-23 Zettameter (Zm)

1 inch equals 2.54e-23 zettameter.

Inch to Yottameter

1 in = 2.54e-26 Ym

1 Inch (in) = 2.54e-26 Yottameter (Ym)

1 inch equals 2.54e-26 yottameter.

Inch to Cubit

1 in = 0.05555555555555555 cubit

1 Inch (in) = 0.05555555555555555 Cubit (cubit)

1 inch equals 0.05555555555555555 cubit.

Inch to Span

1 in = 0.1111111111111111 span

1 Inch (in) = 0.1111111111111111 Span (span)

1 inch equals 0.1111111111111111 span.

Inch to Hand

1 in = 0.25 hh

1 Inch (in) = 0.25 Hand (hh)

1 inch equals 0.25 hand.

Inch to Palm

1 in = 0.3333333333333333 palm

1 Inch (in) = 0.3333333333333333 Palm (palm)

1 inch equals 0.3333333333333333 palm.

Inch to Digit

1 in = 1.3333333333333333 digit

1 Inch (in) = 1.3333333333333333 Digits (digit)

1 inch equals 1.3333333333333333 digits.

Inch to Link

1 in = 0.12626262626262624 link

1 Inch (in) = 0.12626262626262624 Link (link)

1 inch equals 0.12626262626262624 link.

Inch to Ell

1 in = 0.02222222222222222 ell

1 Inch (in) = 0.02222222222222222 Ell (ell)

1 inch equals 0.02222222222222222 ell.

Inch to Barleycorn

1 in = 2.998819362455726 barleycorn

1 Inch (in) = 2.998819362455726 Barleycorns (barleycorn)

1 inch equals 2.998819362455726 barleycorns.

Inch to Astronomical Unit

1 in = 1.6978851290561852e-13 AU

1 Inch (in) = 1.6978851290561852e-13 Astronomical Unit (AU)

1 inch equals 1.6978851290561852e-13 Astronomicalunit.

Inch to Light-Second

1 in = 8.472528018033061e-11 ls

1 Inch (in) = 8.472528018033061e-11 Light-Second (ls)

1 inch equals 8.472528018033061e-11 Light-Second.

Inch to Light-Minute

1 in = 1.4120880030055102e-12 lm

1 Inch (in) = 1.4120880030055102e-12 Light-Minute (lm)

1 inch equals 1.4120880030055102e-12 Light-Minute.

Inch to Light-Hour

1 in = 2.3534800045730524e-14 lh

1 Inch (in) = 2.3534800045730524e-14 Light-Hour (lh)

1 inch equals 2.3534800045730524e-14 Light-Hour.

Inch to Light-Day

1 in = 9.80616668799257e-16 ld

1 Inch (in) = 9.80616668799257e-16 Light-Day (ld)

1 inch equals 9.80616668799257e-16 Light-Day.

Inch to Light-Year

1 in = 2.684782118422523e-18 ly

1 Inch (in) = 2.684782118422523e-18 Light-Year (ly)

1 inch equals 2.684782118422523e-18 Light-Year.

Inch to Parsec

1 in = 8.231579395188679e-19 pc

1 Inch (in) = 8.231579395188679e-19 Parsec (pc)

1 inch equals 8.231579395188679e-19 Parsec.

Inch to Kiloparsec

1 in = 8.23157939518868e-22 kpc

1 Inch (in) = 8.23157939518868e-22 Kiloparsec (kpc)

1 inch equals 8.23157939518868e-22 Kiloparsec.

Inch to Megaparsec

1 in = 8.231579395188679e-25 Mpc

1 Inch (in) = 8.231579395188679e-25 Megaparsec (Mpc)

1 inch equals 8.231579395188679e-25 Megaparsec.

Inch to Gigaparsec

1 in = 8.23157939518868e-28 Gpc

1 Inch (in) = 8.23157939518868e-28 Gigaparsec (Gpc)

1 inch equals 8.23157939518868e-28 Gigaparsec.

Inch to Nautical Mile

1 in = 0.000013714902807775378 NM

1 Inch (in) = 0.000013714902807775378 Nautical Mile (NM)

1 inch equals 0.000013714902807775378 Nautical Mile.

Inch to Fathom

1 in = 0.013888888888888888 ftm

1 Inch (in) = 0.013888888888888888 Fathom (ftm)

1 inch equals 0.013888888888888888 fathom.

Inch to Cable Length

1 in = 0.00011574074074074075 cable

1 Inch (in) = 0.00011574074074074075 Cable Length (cable)

1 inch equals 0.00011574074074074075 Cable Length .

Inch to Nautical League

1 in = 0.0000045716342692584595 NL

1 Inch (in) = 0.0000045716342692584595 Nautical League (NL)

1 inch equals 0.0000045716342692584595 Nautical League.

Inch to Thou

1 in = 999.9999999999999 mil

1 Inch (in) = 999.9999999999999 Thous (mil)

1 inch equals 999.9999999999999 thous.

Inch to Rod

1 in = 0.00505050505050505 rd

1 Inch (in) = 0.00505050505050505 Rod (rd)

1 inch equals 0.00505050505050505 rod.

Inch to Chain

1 in = 0.0012626262626262625 ch

1 Inch (in) = 0.0012626262626262625 Chain (ch)

1 inch equals 0.0012626262626262625 chain.

Inch to Furlong

1 in = 0.00012626262626262626 fur

1 Inch (in) = 0.00012626262626262626 Furlong (fur)

1 inch equals 0.00012626262626262626 furlong.

Inch to Mile

1 in = 0.000015782828282828283 mi

1 Inch (in) = 0.000015782828282828283 Mile (mi)

1 inch equals 0.000015782828282828283 mile.

Inch to League

1 in = 0.00000526094276094276 lea

1 Inch (in) = 0.00000526094276094276 League (lea)

1 inch equals 0.00000526094276094276 league.

Convert Thou to Other Units

Thou to Inch

1 mil = 0.001 in

1 Thou (mil) = 0.001 Inch (in)

1 thou equals 0.001 inch.

Thou to Foot

1 mil = 0.00008333333333333333 ft

1 Thou (mil) = 0.00008333333333333333 Foot (ft)

1 thou equals 0.00008333333333333333 foot.

Thou to Feet

1 mil = 0.00008333333333333333 ft

1 Thou (mil) = 0.00008333333333333333 Feet (ft)

1 thou equals 0.00008333333333333333 feet.

Thou to Centimeter

1 mil = 0.00254 cm

1 Thou (mil) = 0.00254 Centimeter (cm)

1 thou equals 0.00254 centimeter.

Thou to Meter

1 mil = 0.0000254 m

1 Thou (mil) = 0.0000254 Meter (m)

1 thou equals 0.0000254 meter.

Thou to Kilometer

1 mil = 2.54e-8 km

1 Thou (mil) = 2.54e-8 Kilometer (km)

1 thou equals 2.54e-8 kilometer.

Thou to Millimeter

1 mil = 0.0254 mm

1 Thou (mil) = 0.0254 Millimeter (mm)

1 thou equals 0.0254 millimeter.

Thou to Yard

1 mil = 0.00002777777777777778 yd

1 Thou (mil) = 0.00002777777777777778 Yard (yd)

1 thou equals 0.00002777777777777778 yard.

Thou to Yoctometer

1 mil = 25400000000000004000 ym

1 Thou (mil) = 25400000000000004000 Yoctometers (ym)

1 thou equals 25400000000000004000 yoctometers.

Thou to Zeptometer

1 mil = 25400000000000004 zm

1 Thou (mil) = 25400000000000004 Zeptometers (zm)

1 thou equals 25400000000000004 zeptometers.

Thou to Attometer

1 mil = 25400000000000 am

1 Thou (mil) = 25400000000000 Attometers (am)

1 thou equals 25400000000000 attometers.

Thou to Femtometer

1 mil = 25400000000 fm

1 Thou (mil) = 25400000000 Femtometers (fm)

1 thou equals 25400000000 femtometers.

Thou to Picometer

1 mil = 25400000 pm

1 Thou (mil) = 25400000 Picometers (pm)

1 thou equals 25400000 picometers.

Thou to Nanometer

1 mil = 25400 nm

1 Thou (mil) = 25400 Nanometers (nm)

1 thou equals 25400 nanometers.

Thou to Micrometer

1 mil = 25.400000000000002 µm

1 Thou (mil) = 25.400000000000002 Micrometers (µm)

1 thou equals 25.400000000000002 micrometers.

Thou to Decimeter

1 mil = 0.000254 dm

1 Thou (mil) = 0.000254 Decimeter (dm)

1 thou equals 0.000254 decimeter.

Thou to Decameter

1 mil = 0.0000025400000000000002 dam

1 Thou (mil) = 0.0000025400000000000002 Decameter (dam)

1 thou equals 0.0000025400000000000002 decameter.

Thou to Hectometer

1 mil = 2.54e-7 hm

1 Thou (mil) = 2.54e-7 Hectometer (hm)

1 thou equals 2.54e-7 hectometer.

Thou to Megameter

1 mil = 2.54e-11 Mm

1 Thou (mil) = 2.54e-11 Megameter (Mm)

1 thou equals 2.54e-11 megameter.

Thou to Gigameter

1 mil = 2.54e-14 Gm

1 Thou (mil) = 2.54e-14 Gigameter (Gm)

1 thou equals 2.54e-14 gigameter.

Thou to Terameter

1 mil = 2.54e-17 Tm

1 Thou (mil) = 2.54e-17 Terameter (Tm)

1 thou equals 2.54e-17 terameter.

Thou to Petameter

1 mil = 2.54e-20 Pm

1 Thou (mil) = 2.54e-20 Petameter (Pm)

1 thou equals 2.54e-20 petameter.

Thou to Exameter

1 mil = 2.54e-23 Em

1 Thou (mil) = 2.54e-23 Exameter (Em)

1 thou equals 2.54e-23 exameter.

Thou to Zettameter

1 mil = 2.54e-26 Zm

1 Thou (mil) = 2.54e-26 Zettameter (Zm)

1 thou equals 2.54e-26 zettameter.

Thou to Yottameter

1 mil = 2.54e-29 Ym

1 Thou (mil) = 2.54e-29 Yottameter (Ym)

1 thou equals 2.54e-29 yottameter.

Thou to Cubit

1 mil = 0.00005555555555555556 cubit

1 Thou (mil) = 0.00005555555555555556 Cubit (cubit)

1 thou equals 0.00005555555555555556 cubit.

Thou to Span

1 mil = 0.00011111111111111112 span

1 Thou (mil) = 0.00011111111111111112 Span (span)

1 thou equals 0.00011111111111111112 span.

Thou to Hand

1 mil = 0.00025 hh

1 Thou (mil) = 0.00025 Hand (hh)

1 thou equals 0.00025 hand.

Thou to Palm

1 mil = 0.0003333333333333333 palm

1 Thou (mil) = 0.0003333333333333333 Palm (palm)

1 thou equals 0.0003333333333333333 palm.

Thou to Digit

1 mil = 0.0013333333333333333 digit

1 Thou (mil) = 0.0013333333333333333 Digit (digit)

1 thou equals 0.0013333333333333333 digit.

Thou to Link

1 mil = 0.00012626262626262626 link

1 Thou (mil) = 0.00012626262626262626 Link (link)

1 thou equals 0.00012626262626262626 link.

Thou to Ell

1 mil = 0.000022222222222222223 ell

1 Thou (mil) = 0.000022222222222222223 Ell (ell)

1 thou equals 0.000022222222222222223 ell.

Thou to Barleycorn

1 mil = 0.0029988193624557262 barleycorn

1 Thou (mil) = 0.0029988193624557262 Barleycorn (barleycorn)

1 thou equals 0.0029988193624557262 barleycorn.

Thou to Astronomical Unit

1 mil = 1.6978851290561851e-16 AU

1 Thou (mil) = 1.6978851290561851e-16 Astronomical Unit (AU)

1 thou equals 1.6978851290561851e-16 Astronomicalunit.

Thou to Light-Second

1 mil = 8.472528018033062e-14 ls

1 Thou (mil) = 8.472528018033062e-14 Light-Second (ls)

1 thou equals 8.472528018033062e-14 Light-Second.

Thou to Light-Minute

1 mil = 1.4120880030055104e-15 lm

1 Thou (mil) = 1.4120880030055104e-15 Light-Minute (lm)

1 thou equals 1.4120880030055104e-15 Light-Minute.

Thou to Light-Hour

1 mil = 2.3534800045730528e-17 lh

1 Thou (mil) = 2.3534800045730528e-17 Light-Hour (lh)

1 thou equals 2.3534800045730528e-17 Light-Hour.

Thou to Light-Day

1 mil = 9.80616668799257e-19 ld

1 Thou (mil) = 9.80616668799257e-19 Light-Day (ld)

1 thou equals 9.80616668799257e-19 Light-Day.

Thou to Light-Year

1 mil = 2.6847821184225234e-21 ly

1 Thou (mil) = 2.6847821184225234e-21 Light-Year (ly)

1 thou equals 2.6847821184225234e-21 Light-Year.

Thou to Parsec

1 mil = 8.23157939518868e-22 pc

1 Thou (mil) = 8.23157939518868e-22 Parsec (pc)

1 thou equals 8.23157939518868e-22 Parsec.

Thou to Kiloparsec

1 mil = 8.23157939518868e-25 kpc

1 Thou (mil) = 8.23157939518868e-25 Kiloparsec (kpc)

1 thou equals 8.23157939518868e-25 Kiloparsec.

Thou to Megaparsec

1 mil = 8.23157939518868e-28 Mpc

1 Thou (mil) = 8.23157939518868e-28 Megaparsec (Mpc)

1 thou equals 8.23157939518868e-28 Megaparsec.

Thou to Gigaparsec

1 mil = 8.23157939518868e-31 Gpc

1 Thou (mil) = 8.23157939518868e-31 Gigaparsec (Gpc)

1 thou equals 8.23157939518868e-31 Gigaparsec.

Thou to Nautical Mile

1 mil = 1.3714902807775378e-8 NM

1 Thou (mil) = 1.3714902807775378e-8 Nautical Mile (NM)

1 thou equals 1.3714902807775378e-8 Nautical Mile.

Thou to Fathom

1 mil = 0.00001388888888888889 ftm

1 Thou (mil) = 0.00001388888888888889 Fathom (ftm)

1 thou equals 0.00001388888888888889 fathom.

Thou to Cable Length

1 mil = 1.1574074074074076e-7 cable

1 Thou (mil) = 1.1574074074074076e-7 Cable Length (cable)

1 thou equals 1.1574074074074076e-7 Cable Length .

Thou to Nautical League

1 mil = 4.571634269258459e-9 NL

1 Thou (mil) = 4.571634269258459e-9 Nautical League (NL)

1 thou equals 4.571634269258459e-9 Nautical League.

Thou to Rod

1 mil = 0.000005050505050505051 rd

1 Thou (mil) = 0.000005050505050505051 Rod (rd)

1 thou equals 0.000005050505050505051 rod.

Thou to Chain

1 mil = 0.0000012626262626262627 ch

1 Thou (mil) = 0.0000012626262626262627 Chain (ch)

1 thou equals 0.0000012626262626262627 chain.

Thou to Furlong

1 mil = 1.2626262626262626e-7 fur

1 Thou (mil) = 1.2626262626262626e-7 Furlong (fur)

1 thou equals 1.2626262626262626e-7 furlong.

Thou to Mile

1 mil = 1.5782828282828283e-8 mi

1 Thou (mil) = 1.5782828282828283e-8 Mile (mi)

1 thou equals 1.5782828282828283e-8 mile.

Thou to League

1 mil = 5.260942760942761e-9 lea

1 Thou (mil) = 5.260942760942761e-9 League (lea)

1 thou equals 5.260942760942761e-9 league.