At One Place

20 cm to mm

20 centimeters in millimeters
20 cm = 200 mm
mm = cm × 10

20 centimeters is 200 millimeters. To get there, multiply by 10.

Values either side

Centimeters near 20, converted to millimeters.
Centimeters Millimeters
16 cm 160
17 cm 170
18 cm 180
19 cm 190
20 cm ← 200
21 cm 210
22 cm 220
23 cm 230
24 cm 240

How the conversion works

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

Common questions

What is 20 cm in millimeters?
20 cm is 200 mm.
How do you convert centimeters to millimeters?
Multiply by 10.

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