Millimeters to Inches

Convert Millimeters to Inches. 1 mm equals 0.03937 in. Type a value on either side; the formula and tables below show how it works.

mm
in
1 Millimeters equals
0.03937in

Formula: in = mm × 0.03937. Example: 5 mm = 0.19685 in.

1 Millimeters in every unit

Centimeters0.1 cm
Meters0.001 m
Kilometers0.000001 km
Inches0.03937 in
Feet0.003281 ft
Yards0.001094 yd
Miles0.000000621 mi
Nautical Miles0.00000054 nmi

Millimeters to Inches table

MillimetersInches
0.1 mm0.003937 in
0.25 mm0.009843 in
0.5 mm0.019685 in
1 mm0.03937 in
2 mm0.07874 in
3 mm0.11811 in
4 mm0.15748 in
5 mm0.19685 in
10 mm0.393701 in
15 mm0.590551 in
20 mm0.787402 in
25 mm0.984252 in
50 mm1.9685 in
75 mm2.9528 in
100 mm3.937 in
250 mm9.8425 in
500 mm19.685 in
1,000 mm39.3701 in
InchesMillimeters
0.1 in2.54 mm
0.25 in6.35 mm
0.5 in12.7 mm
1 in25.4 mm
2 in50.8 mm
3 in76.2 mm
4 in101.6 mm
5 in127 mm
10 in254 mm
15 in381 mm
20 in508 mm
25 in635 mm
50 in1,270 mm
75 in1,905 mm
100 in2,540 mm
250 in6,350 mm
500 in12,700 mm
1,000 in25,400 mm

How to convert millimeters to inches

in = mm × 0.03937

Multiply the value in millimeters by 0.03937. To go the other way, divide by the same number, or multiply by 25.4. For example, 5 mm × 0.03937 = 0.19685 in.

About the units

Millimeters (mm). One thousandth of a meter. Used for small parts, rainfall and engineering drawings.

Inches (in). Exactly 2.54 centimeters since the 1959 international yard agreement. Screens, tools and US and UK body measurements.

Other length conversions

Millimeters to Centimeters · Millimeters to Meters · Millimeters to Kilometers · Millimeters to Inches · Millimeters to Feet · Millimeters to Yards · Millimeters to Miles · Millimeters to Nautical Miles · Centimeters to Inches · Meters to Inches · Kilometers to Inches · Inches to Millimeters · Inches to Centimeters · Inches to Meters · Inches to Kilometers · Inches to Feet · Inches to Yards · Inches to Miles · Inches to Nautical Miles · Feet to Inches · Yards to Inches · Miles to Inches · Nautical Miles to Inches

More converters

All converters
Weight Converterkg, g, mg, t, lbTemperature Converter°C, °F, KSpeed Converterkm/h, mph, m/s, kn, ft/sVolume ConverterL, mL, m³, gal, UK galArea Converterm², ft², yd², in², km²Pressure Converterpsi, bar, kPa, Pa, atmEnergy ConverterJ, kJ, cal, kcal, WhData Storage Converterbit, B, kB, MB, GBTime Converterms, s, min, h, d