8 Inches to Centimeters

8 in = 20.32 cm

Calculation: cm = 8 in × 2.54 = 20.32 cm

Inch to Centimeter Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How long is 8 in?

8 in (20.3 cm) is comparable to the length of a school ruler.

What does 8 in look like?

Comparable to the length of a school ruler
8 in (20.3 cm) is comparable to the length of a school ruler.

8 in on the centimeter scale

in0246810cm0510152025

8 in = 20.32 cm

How to Convert Inch to Centimeter

1 inch = 2.54 centimeters exact

Centimeter = Inch × 2.54

Example: 8 in × 2.54 = 20.32 cm

Reverse Conversion

To convert centimeters back to inches:

  • Remember, 1 centimeter equals 0.393701 inches.
  • To convert 20.32 cm to in, multiply 20.32 x 0.393701, resulting in 8 in.

exact This conversion factor is exact by international definition.

8 inches equals 20.32 cm — a standard small tablet screen size (iPad mini is 8.3 inches). Also the diameter of a standard cake pan.

8 in is also equal to:

About these units

Inch: Imperial/US customary unit standardized as exactly 25.4 millimeters since 1959.

Centimeter: Metric unit equal to one hundredth (1/100) of a meter.

Frequently Asked Questions

How much is 8 inches in centimeters?

8 inches equals 20.32 centimeters. This is calculated by multiplying 8 by the conversion factor 2.54.

What does 8 inches look like in centimeters?

8 inches (20.32 centimeters) is about the length of a hand span or a standard ruler segment.

How do you calculate 8 inches to centimeters?

Multiply 8 by the conversion factor 2.54. The calculation is 8 × 2.54 = 20.32 centimeters. This factor is defined by international measurement standards.

Share This Calculation

8 inches = 20.32 centimeters
8 inches = 20.32 centimeters — conversion chart

Nearby Conversions

1 inch2.54 centimeters 2 inches5.08 centimeters 3 inches7.62 centimeters 4 inches10.16 centimeters 5 inches12.7 centimeters 6 inches15.24 centimeters 7 inches17.78 centimeters 9 inches22.86 centimeters 10 inches25.4 centimeters 11 inches27.94 centimeters 12 inches30.48 centimeters 13 inches33.02 centimeters 14 inches35.56 centimeters 15 inches38.1 centimeters 16 inches40.64 centimeters 17 inches43.18 centimeters 18 inches45.72 centimeters

For general conversions between inches and centimeters, see the inches to centimeters converter.

Also convert Inches to:

Conversion factors verified against NIST, BIPM, ISO 80000-3 1 inch = 2.54 cm by international agreement (1959). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.