Conversion · centimeters → inches

8 cm in inches

8 centimeters equals 3.15 inches. On a tape measure marked in sixteenths, the nearest mark is 3 1/8 in.

8 cm = 3.15 in

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

The math

in = cm ÷ 2.54

8 ÷ 2.54 = 3.1496 in ≈ 3 1/8 in (nearest 1/16)

Nearby values

Nearby values
CentimetersInchesNearest fraction
6 cm2.362 in2 3/8 in
6.5 cm2.559 in2 9/16 in
7 cm2.756 in2 3/4 in
7.5 cm2.953 in2 15/16 in
8 cm3.15 in3 1/8 in
8.5 cm3.346 in3 3/8 in
9 cm3.543 in3 9/16 in
9.5 cm3.74 in3 3/4 in
10 cm3.937 in3 15/16 in

Similar everyday sizes

  • 8 cm is 26 mm longer than the short side of a bank card (53.98 mm).
  • 8 cm is 5.6 mm shorter than the long side of a bank card (85.6 mm).

Related conversions

Frequently asked questions

How many inches is 8 cm?

8 cm is 3.15 inches. Divide centimeters by 2.54.

What is 8 cm as a fraction of an inch?

About 3 1/8 in, rounded to the nearest 1/16 inch.