Conversion · inches → centimeters

8 inches in cm

8 inches equals exactly 20.32 centimeters, because one inch is defined as 2.54 cm.

8 in = 20.32 cm

Diagram, not to scale. For a true-size view, use the on-screen ruler.

The math

cm = in × 2.54

8 × 2.54 = 20.32 cm = 203.2 mm

Nearby values

Nearby values
InchesCentimetersMillimeters
7 in17.78 cm177.8 mm
7.25 in (7 1/4)18.415 cm184.15 mm
7.5 in (7 1/2)19.05 cm190.5 mm
7.75 in (7 3/4)19.685 cm196.85 mm
8 in20.32 cm203.2 mm
8.25 in (8 1/4)20.955 cm209.55 mm
8.5 in (8 1/2)21.59 cm215.9 mm
8.75 in (8 3/4)22.225 cm222.25 mm
9 in22.86 cm228.6 mm

Similar everyday sizes

  • 8 in is 6.8 mm shorter than the short side of an A4 sheet (210 mm).
  • 8 in is 12.7 mm shorter than the width of a US Letter sheet (8.5 in).

Related conversions

Frequently asked questions

How many cm is 8 inches?

8 inches is exactly 20.32 cm. One inch is defined as 2.54 cm, so multiply 8 by 2.54.

What is 8 inches in mm?

203.2 mm. To get millimeters, multiply inches by 25.4.