At One Place

20 mm to cm

20 millimeters in centimeters
20 mm = 2 cm
cm = mm × 1/10

20 millimeters is 2 centimeters. To get there, multiply by 0.1.

Values either side

Millimeters near 20, converted to centimeters.
Millimeters Centimeters
16 mm 1.6
17 mm 1.7
18 mm 1.8
19 mm 1.9
20 mm ← 2
21 mm 2.1
22 mm 2.2
23 mm 2.3
24 mm 2.4

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 20 mm in centimeters?
20 mm is 2 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