inch in
1/12 of a foot or 25.4 mm. Screen sizes, paper, US fastener sizes.
Quick convert — inch to popular units
Live converter, three directions. Type any value to update all three.
inch
metre
1 in = 0.0254m
inch
kilometre
1 in = 2.54e-5km
inch
centimetre
1 in = 2.54cm
Conversion table — inch to every Length unit
All values for 1 in (forward) and 1 reverse unit → {symbol}.
| To / From | 1 in = | 1 to-unit = |
|---|---|---|
| metre (m) | 0.0254 m | 39.37007874 in |
| kilometre (km) | 2.540000e-5 km | 39,370.07874016 in |
| centimetre (cm) | 2.54 cm | 0.39370079 in |
| millimetre (mm) | 25.4 mm | 0.03937008 in |
| micrometre (μm) | 25,400 μm | 3.937008e-5 in |
| nanometre (nm) | 25,400,000 nm | 3.937008e-8 in |
| mile (mi) | 1.578283e-5 mi | 63,360 in |
| yard (yd) | 0.02777778 yd | 36 in |
| foot (ft) | 0.08333333 ft | 12 in |
| nautical mile (nmi) | 1.371490e-5 nmi | 72,913.38582677 in |
| light-year (ly) | 2.684782e-18 ly | 3.724697e+17 in |
| ångström (Å) | 253,999,999.99999997 Å | 3.937008e-9 in |
Frequently Asked Questions
What does in stand for?
inch (in) is a unit of Length.
How many in are in 1 m?
1 m = 0.0254 in, so 1 in = 39.370079 m.
Is this the SI base unit?
No. inch is one of several units in the Length category. The SI base is m.
Common conversions from inch
#1
inch (in) → meter (m)
Convert inch (in) to meter.
#2inch (in) → kilometer (km)
Convert inch (in) to kilometer.
#3inch (in) → centimeter (cm)
Convert inch (in) to centimeter.
#4inch (in) → millimeter (mm)
Convert inch (in) to millimeter.
#5inch (in) → micrometer (μm)
Convert inch (in) to micrometer.
#6inch (in) → nanometer (nm)
Convert inch (in) to nanometer.
#7inch (in) → mile (mi)
Convert inch (in) to mile.
#8inch (in) → yard (yd)
Convert inch (in) to yard.