20 cm to Inches — How Many Inches is 20 Centimeters?

20 cm = 7.87 inches (0′ 7.87″ / 0.2 m). Divide any centimeter value by 2.54 to convert to inches — the exact factor defined by the NIST under the 1959 International Yard and Pound Agreement (1 inch = 2.54 cm exactly).

Answer

7.87in

20 cm = 7.87 in

Exact: 7.874000 in · uses the BIPM-defined constant

How it's calculated

cm ÷ 2.54 = inches

Step 1: Apply the formula to the input value.
Step 2: 20 ÷ 2.54 = 7.87

About 20 Centimeter

20 cm (7.87 inches) is a typical hand span for adult males and the width of a small tablet. For 21.0 × 29.7 cm A4 paper, 20 cm is within 1 cm of the short edge (21 cm / 8.27 in).

20 cm in other length units

Centimeters

20 cm

Inches

7.87 in

Feet + Inches

0′ 7.87″

Meters

0.2 m

Common length references

Key lengths from human heights, screens, paper, and construction

cm	inches	Reference
1 cm	0.39 in	Fingernail width
2.54 cm	1 in	Exactly 1 inch (by definition)
8.56 cm	3.37 in	Credit card length
21 cm	8.27 in	A4 paper short edge
27.90 cm	11 in	US Letter long edge
29.70 cm	11.69 in	A4 paper long edge
30.48 cm	12 in	1 foot exactly
68.58 cm	27 in	27-inch monitor (diagonal)
91.44 cm	36 in	1 yard exactly
139.70 cm	55 in	55-inch TV (diagonal)
152.40 cm	60 in	5 feet (human height)
161.50 cm	63.58 in	US female avg (CDC)
165.10 cm	65 in	65-inch TV (diagonal)
171 cm	67.30 in	Global male avg (Lancet)
175.30 cm	69.02 in	US male avg (CDC)
182.88 cm	72 in	6 feet exactly
190.50 cm	75 in	75-inch TV (diagonal)
203.20 cm	80 in	Standard door height
243.84 cm	96 in	Standard ceiling (8 ft)
304.80 cm	120 in	10 feet (basketball rim)

Centimeter to Inch — Nearby Values

Click any row to open its full conversion page

Centimeter (cm)	Inch (in)
10 cm	3.937 in
15 cm	5.9055 in
20 cmthis page	7.874 in
25 cm	9.8425 in
30 cm	11.811 in

Common questions about 20 cm to in

How many inches is 20 centimeters?

20 cm equals exactly 7.874 inches. To convert, divide any centimeter value by 2.54 — the internationally defined constant (1 inch = 2.54 cm exactly, set by the International Yard and Pound Agreement of 1959). In feet and inches, 20 cm is 0′ 7.87″. In meters, 20 cm is 0.2 m.

How do you convert 20 centimeters to inch?

Step 1: Take the centimeter value (20 cm). Step 2: Divide by 2.54. Result: 20 ÷ 2.54 = 7.874 inches. For a rough mental estimate, divide by 2.5 instead — that gives 8 inches, within 1.6% of the exact answer.

What is 7.874 inches back in centimeters?

7.874 inchs converts back to exactly 20 centimeters — which is 20 centimeters. The conversion is perfectly reversible because 1 inch is defined as exactly 2.54 centimeters.

How tall is 20 centimeters in feet and inches?

20 centimeters equals 0′ 7.87″ (0 feet and 7.87 inches). In meters this is 0.2 m.

What paper or document size is 20 cm?

20 cm is close to the A4 (short edge) and A5 (long edge). A4 = 21 × 29.7 cm; A5 = 14.8 × 21 cm. ISO paper sizes (A4, A3, A5) double or halve in area at each step, with all maintaining the same aspect ratio of √2 : 1.