Convert inches, mm and cm

Simple and fast conversion of Millimeters, Centimeters and Inches. Enter any value and see it magically convert to the other units.

Inches to millimeters and cm

  • 1 inch = 25.4 millimeters
  • 1 inch = 2.54 centimeters

4 inches: 4 x 25.4 = 101.6 millimeters (10.16 cm / 0.1 m).
9 inches: 9 x 25.4 = 228.6 millimeters (22.86 cm / 0.229 m).
13 inches: 13 x 25.4 = 330.2 millimeters (33.02 cm / 0.33 m).

Millimeters and cm to inches

  • 1 mm = 0.039 inches
  • 1 cm = 0,39 inches

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