Asked by Sarah

1 kilometer is equal to how many meters, centimeters, and millimeters?
Answered by Ms. Sue
1km = 1000 meters
Each meter has 100 cm.
Each cm has 10 mm.

If you post your answer, we'll be glad to check it for you.
Answered by Sarah
1 km = 1,000 meters, 100,000 cm, and 1,000,000 mm?
Answered by DrBob222
Looks good to me. Here is a site that may be of help to you.
http://physics.nist.gov/cuu/Units/prefixes.html