MM to Inches

Convert millimeters (mm) to inches (in) with formulas, examples, and conversion tables.

mm
in
1 millimeters (mm) = 0.0393700787402 inches (in)
Round to:
Fraction:1/16 in
Feet + Inches:0.0393701 in
Step-by-Step Solution
1Write the conversion factor:
1 inch = 25.4 millimeters
2Divide the value by the conversion factor:
1 ÷ 25.4 = 0.0393700787402
3Result:
1 millimeters (mm) = 0.0393700787402 inches (in)
↔ Inches to MM

How to Convert millimeters to inches

To convert millimeters to inches, divide the value by 25.4.

The Formula

inches = millimeters ÷ 25.4

Key Fact

1 inch = 25.4 millimeters

Tip: To convert inches back to millimeters, multiply by 25.4.

millimeters to inches Table

millimeters (mm)inches (in)
1 mm0.0393700787402 in
2 mm0.0787401574803 in
5 mm0.196850393701 in
10 mm0.393700787402 in
20 mm0.787401574803 in
25 mm0.984251968504 in
50 mm1.96850393701 in
100 mm3.93700787402 in
250 mm9.84251968504 in
500 mm19.6850393701 in
1000 mm39.3700787402 in

1 millimeter in Other Units

Unit1 mm =
Millimeters to Kilometers1e-6 km
Millimeters to Meters0.001 m
MM to CM0.1 cm
Millimeters to Micrometers1000 μm
Millimeters to Nanometers1000000 nm
Millimeters to Miles6.21371192237e-7 mi
Millimeters to Yards0.00109361329834 yd
Millimeters to Feet0.00328083989501 ft
MM to Inches0.0393700787402 in
Millimeters to Nautical Miles5.39956803456e-7 nmi
Millimeters to Fathoms0.000546806649169 ftm
Millimeters to Light Years1.05697072191e-19 ly
Millimeters to Astronomical Units6.68449197861e-15 AU
Millimeters to Parsecs3.24044069994e-20 pc
Millimeters to Angstroms10000000 Å
Millimeters to Planck Lengths6.18714249917e31 ℓP
Millimeters to Rods0.000198838781516 rd

About Millimeters and Inches

What is a Millimeter?

The millimeter (mm) is a unit of length in the metric system. One millimeter equals 0.001 meters.

What is a Inch?

The inch (in) is a unit of length in the imperial system. One inch equals 0.0254 meters.

Related Conversions

CM to InchesInches to CMMeters to FeetFeet to MetersKM to MilesMiles to KMInches to MMYards to MetersMeters to YardsFeet to Inches