kilometre km
1000 metres. Standard road distance unit.
Quick convert — kilometre to popular units
Live converter, three directions. Type any value to update all three.
kilometre
metre
1 km = 1,000m
kilometre
centimetre
1 km = 100,000cm
kilometre
millimetre
1 km = 1,000,000mm
Conversion table — kilometre to every Length unit
All values for 1 km (forward) and 1 reverse unit → {symbol}.
| To / From | 1 km = | 1 to-unit = |
|---|---|---|
| metre (m) | 1,000 m | 0.001 km |
| centimetre (cm) | 100,000 cm | 1.000000e-5 km |
| millimetre (mm) | 1,000,000 mm | 1.000000e-6 km |
| micrometre (μm) | 1,000,000,000 μm | 1.000000e-9 km |
| nanometre (nm) | 999,999,999,999.9999 nm | 1.000000e-12 km |
| mile (mi) | 0.62137119 mi | 1.609344 km |
| yard (yd) | 1,093.61329834 yd | 0.0009144 km |
| foot (ft) | 3,280.83989501 ft | 0.0003048 km |
| inch (in) | 39,370.07874016 in | 2.540000e-5 km |
| nautical mile (nmi) | 0.5399568 nmi | 1.852 km |
| light-year (ly) | 1.057001e-13 ly | 9.460730e+12 km |
| ångström (Å) | 1.000000e+13 Å | 1.000000e-13 km |
Frequently Asked Questions
What does km stand for?
kilometre (km) is a unit of Length.
How many km are in 1 m?
1 m = 1,000 km, so 1 km = 0.001 m.
Is this the SI base unit?
No. kilometre is one of several units in the Length category. The SI base is m.
Common conversions from kilometre
#1
kilometre (km) → meter (m)
Convert kilometre (km) to meter.
#2kilometre (km) → centimeter (cm)
Convert kilometre (km) to centimeter.
#3kilometre (km) → millimeter (mm)
Convert kilometre (km) to millimeter.
#4kilometre (km) → micrometer (μm)
Convert kilometre (km) to micrometer.
#5kilometre (km) → nanometer (nm)
Convert kilometre (km) to nanometer.
#6kilometre (km) → mile (mi)
Convert kilometre (km) to mile.
#7kilometre (km) → yard (yd)
Convert kilometre (km) to yard.
#8kilometre (km) → foot (ft)
Convert kilometre (km) to foot.