inch (in) → millimeter (mm)

1 in = 25.4 mm · ⇄ millimeter (mm) → inch (in)

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⚙ Output Number Format1,234.56

All units in this category

Converted Value
meterm—
kilometerkm—
centimetercm—
millimetermm—
decimeterdm—
micrometerµm—
nanometernm—
picometerpm—
ångströmÅ—
inchin—
footft—
yardyd—
milemi—
nautical milenmi—
mil (thou)mil—
handhh—
linkli—
rodrd—
chainch—
furlongfur—
leaguelea—
fathomftm—
US survey footftUS—
astronomical unitau—
light yearly—
parsecpc—
cubitcbt—
Prague ell (loket)loket—
verstverst—
shaku尺—
li (Chinese mile)里—

Conversion Formula & Definition

mm = in × 25.4

1 inch (in) = 25.4 millimeter (mm).

Popular Conversions (Length)

Quick Conversion Reference Table: inch (in) → millimeter (mm)

inch (in)millimeter (mm)
0.1 in2.54 mm
0.5 in12.7 mm
1 in25.4 mm
2 in50.8 mm
5 in127 mm
10 in254 mm
20 in508 mm
50 in1,270 mm
100 in2,540 mm
250 in6,350 mm
500 in12,700 mm
1,000 in25,400 mm