At One Place

9 mm to cm

9 millimeters in centimeters
9 mm = 0.9 cm
cm = mm × 1/10

9 millimeters is 0.9 centimeters. To get there, multiply by 0.1.

Values either side

Millimeters near 9, converted to centimeters.
Millimeters Centimeters
5 mm 0.5
6 mm 0.6
7 mm 0.7
8 mm 0.8
9 mm ← 0.9
10 mm 1
11 mm 1.1
12 mm 1.2
13 mm 1.3

How the conversion works

The relationship is cm = mm × 1/10. Both units measure length, so the conversion is a fixed factor that never changes.

Common questions

What is 9 mm in centimeters?
9 mm is 0.9 cm.
How do you convert millimeters to centimeters?
Multiply by 0.1.

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