Convert 8 CM to Inches | Visual Length Comparison

8 CM to Inches Converter

8 centimeters is 3.15 inches.

Visualize 8 Centimeters

The width of a credit card is 8.56 centimeters; 8 cm is bit shorter than the width of a credit card.

Image showing common items of 8 centimeters with sizes labeled.

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How to convert 8 centimeters to inches?

8 cm *
1 in
2.54 cm
 = 3.149606299212598 in

Verified size references

8 cm equals 3.1496 inches.

Exact conversion

cm
8
mm
80
m
0.08
″
3.1496
Fractional inches
3 1/8″
Feet and inches
0′ 3 1/8″

Measured comparisons

8 cm85.6 mm: A payment card's nominal width [1]10.5 cm: The short side of A6 paper [2]12 cm: A standard CD-ROM's nominal diameter [3]
  • A payment card's nominal width: 8 cm is 6.5% shorter; the ratio is 0.935:1. [1]
  • The short side of A6 paper: 8 cm is 23.8% shorter; the ratio is 0.762:1. [2]
  • A standard CD-ROM's nominal diameter: 8 cm is 33.3% shorter; the ratio is 0.667:1. [3]

Interesting Trivia About 8 Centimeters

  • The body length of Female trilobite beetles is about 8 cm — almost exactly 8 cm.
  • The body length of Male stag beetles is about 7.5 cm; 8 cm is only about 0.5 cm longer.

Nearby conversions

6 cm = 2.3622″7 cm = 2.7559″9 cm = 3.5433″10 cm = 3.9370″

Questions about this value

How many inches is 8 cm?

8 cm equals 3.1496 inches.

How was this comparison calculated?

All values are calculated from the published dimensions linked below. 1 inch equals 25.4 mm exactly.

What is 8 cm in fractional inches?

Rounded to the nearest eighth of an inch, 8 cm is 3 1/8″.

Which verified reference is closest to 8 cm?

Closest verified reference: a payment card's nominal width. Its published dimension is 85.6 mm.

Method and sources

All values are calculated from the published dimensions linked below. 1 inch equals 25.4 mm exactly.

Sources

  1. [1]ISO/IEC 7810:2019 — Identification cards — Physical characteristics
  2. [2]ISO 216:2007 — Writing paper and certain classes of printed matter
  3. [3]ECMA-130 — Data interchange on read-only 120 mm optical data disks

Convert 8 cm to common lengths

How many inches are 8 centimeters?

3.1496in

How many feet are 8 centimeters?

0.2625ft

How many yards are 8 centimeters?

0.0875yd

How many milimeters are 8 centimeters?

80.0000mm

How many meters are 8 centimeters?

0.0800m

How many kilometers are 8 centimeters?

0.00008km

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