Convert 20 CM to Inches | Visual Length Comparison

20 CM to Inches Converter

20 centimeters is 7.87 inches.

Visualize 20 Centimeters

The height of a AA battery is 5.05 centimeters; 20 cm is about the height of 4 AA batteries.

Image showing common items of 20 centimeters with sizes labeled.

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How to convert 20 centimeters to inches?

20 cm *
1 in
2.54 cm
 = 7.874015748031496 in

Verified size references

20 cm equals 7.874 inches.

Exact conversion

cm
20
mm
200
m
0.2
″
7.874
Fractional inches
7 7/8″
Feet and inches
0′ 7 7/8″

Measured comparisons

20 cm21 cm: The short side of A4 paper [1]30.41 cm: Width of a 2020 MacBook Air [2]12 cm: A standard CD-ROM's nominal diameter [3]
  • The short side of A4 paper: 20 cm is 4.8% shorter; the ratio is 0.952:1. [1]
  • Width of a 2020 MacBook Air: 20 cm is 34.2% shorter; the ratio is 0.658:1. [2]
  • A standard CD-ROM's nominal diameter: 20 cm is 66.7% longer; the ratio is 1.667:1. [3]

Interesting Trivia About 20 Centimeters

  • The total length including the horn of Male Hercules beetles is about 19 cm; 20 cm is only about 1 cm longer.
  • The body length of Titan beetles is about 16.7 cm; 20 cm is only about 3.3 cm longer.

Nearby conversions

18 cm = 7.0866″19 cm = 7.4803″21 cm = 8.2677″22 cm = 8.6614″

Questions about this value

How many inches is 20 cm?

20 cm equals 7.874 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 20 cm in fractional inches?

Rounded to the nearest eighth of an inch, 20 cm is 7 7/8″.

Which verified reference is closest to 20 cm?

Closest verified reference: the short side of A4 paper. Its published dimension is 210 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 216:2007 — Writing paper and certain classes of printed matter
  2. [2]MacBook Air (M1, 2020) — Technical Specifications
  3. [3]ECMA-130 — Data interchange on read-only 120 mm optical data disks

Convert 20 cm to common lengths

How many inches are 20 centimeters?

7.8740in

How many feet are 20 centimeters?

0.6562ft

How many yards are 20 centimeters?

0.2187yd

How many milimeters are 20 centimeters?

200.0000mm

How many meters are 20 centimeters?

0.2000m

How many kilometers are 20 centimeters?

0.0002km

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