MM2Inches

MM To Inches Conversion

Millimeters (mm)

 

Inches (in)

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1 mm = 0.03937008 in   1 in = 25.4 mm

Algebraic Steps / Dimensional Analysis Formula
1 mm
*
1 cm
10 mm
*
1 in
2.54 cm
=
0.03937007874 in

Direct Conversion Formula
1 mm
*
1 in
25.4 mm
=
0.03937007874 in

Conversion to common lengths
Inches 0.03937007874
Feet 0.003280839895
Yards 0.001093613298
Miles 6.213711922e-7
Nautical Miles 5.399568035e-7
Light-years 1.056998307e-19
Centimeters 0.1
Meters 0.001
Kilometers 0.000001

Definition of Millimeter

A millimeter (mm) (mispeled millimeter) is a decimal fraction of the meter, the International System of Units (SI) unit of length, approximately equivalent to 39.37 inches.

Definition of Inch

An  inch is a unit of length or distance in a number of systems of measurement, including in the US Customary Units and British Imperial Units. One inch is defined as 1/12 of a foot and is therefore1/38 of a yard. According to the modern definition, one inch is equal to 25.4 mm exactly.

How to convert millimeters to inch?

We know 1 Inch is equal to 25.4 mm and Inch is a larger unit and mm smaller. So whenever we go to convert mm to inches, we have to remember that if we want to convert from small units to large units, we have to divide. And if you want large unit to small unit, we have to do multiple.

For example, we divided 15 by 25.4 to convert 15mm to inches. Since mm is a small unit and Inches large. And we know 1in = 25.4mm.

So to convert 15 Inches to mm, we need to multiply 25.4 by 15. Since we are going to convert from Inches to mm. We need to remember all the time to convert from large units to small units to multiply.

convert millimeters to inch

Example

Convert 15 mm to inches:

d(″) = 15mm / 25.4 = 0.5905″

Millimeter to Inch Conversion Chart

Note: Fractions are rounded to the nearest 8th fraction. Values are rounded to 4 significant figures.

Millimeters Inches (decimal) Inches (fraction)
1 mm 0.03937" 3/64"
2 mm 0.07874" 5/64"
3 mm 0.11811" 1/8"
4 mm 0.15748" 5/32"
5 mm 0.19685" 13/64"
6 mm 0.23622" 15/64"
7 mm 0.275591" 9/32"
8 mm 0.314961" 5/16"
9 mm 0.354331" 23/64"
10 mm 0.393701" 25/64"
11 mm 0.433071" 7/16"
12 mm 0.472441" 15/32"
13 mm 0.511811" 33/64"
14 mm 0.551181" 35/64"
15 mm 0.590551" 19/32"
16 mm 0.629921" 5/8"
17 mm 0.669291" 43/64"
18 mm 0.708661" 45/64"
19 mm 0.748031" 3/4"
20 mm 0.787402" 25/32"
21 mm 0.826772" 53/64"
22 mm 0.866142" 55/64"
23 mm 0.905512" 29/32"
24 mm 0.944882" 15/16"
25 mm 0.984252" 63/64"
26 mm 1.0236" 1 1/32"
27 mm 1.063" 1 1/16"
28 mm 1.1024" 1 7/64"
29 mm 1.1417" 1 9/64"
30 mm 1.1811" 1 3/16"
31 mm 1.2205" 1 7/32"
32 mm 1.2598" 1 17/64"
33 mm 1.2992" 1 19/64"
34 mm 1.3386" 1 11/32"
35 mm 1.378" 1 3/8"
36 mm 1.4173" 1 27/64"
37 mm 1.4567" 1 29/64"
38 mm 1.4961" 1 1/2"
39 mm 1.5354" 1 17/32"
40 mm 1.5748" 1 37/64"

Some Important mm to inches Conversion

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