At One Place

1 mm to km

1 millimeter in kilometers
1 mm = 0.000001 km
km = mm × 0.000001

1 millimeter is 0.000001 kilometers. To get there, multiply by 0.000001.

Values either side

Millimeters near 1, converted to kilometers.
Millimeters Kilometers
0.5 mm 5 × 10^-7
1 mm ← 0.000001
1.5 mm 0.0000015
2 mm 0.000002
2.5 mm 0.0000025
3 mm 0.000003

How the conversion works

The relationship is km = mm × 0.000001. Both units measure length, so the conversion is a fixed factor that never changes.

Common questions

What is 1 mm in kilometers?
1 mm is 0.000001 km.
How do you convert millimeters to kilometers?
Multiply by 0.000001.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked