At One Place

100 mm to cm

100 millimeters in centimeters
100 mm = 10 cm
cm = mm × 1/10

100 millimeters is 10 centimeters. To get there, multiply by 0.1.

Values either side

Millimeters near 100, converted to centimeters.
Millimeters Centimeters
80 mm 8
85 mm 8.5
90 mm 9
95 mm 9.5
100 mm ← 10
110 mm 11
120 mm 12
125 mm 12.5
150 mm 15

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 100 mm in centimeters?
100 mm is 10 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