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20cm to mm conversion

20cm to mm = 200 mm (20 cm to mm). 20 centimeters equals 200 millimeters, rounded to 6 significant digits.

Converter

centimeter (cm)
millimeter (mm)

How to convert 20 cm to mm

  1. Find the conversion factor: 1 cm = 10 mm.
  2. Multiply the value: 20 × 10 = 200.
  3. Round the result: 20 cm ≈ 200 mm.

Centimeters to millimeters conversion table

cmmm
1 cm10 mm
2 cm20 mm
5 cm50 mm
10 cm100 mm
20 cm200 mm
25 cm250 mm
50 cm500 mm
100 cm1000 mm
500 cm5000 mm
1000 cm10000 mm

For other amounts use the centimeters to millimeters converter.

20 cm in other length units

Reverse: 20 mm to cm

Going the other way, 20 mm equals 2 cm (20 mm to cm). As a check, 200 mm converts back to 20 cm.

20 cm to mm FAQs

How many millimeters are in 20 centimeters?

20 centimeters = 200 millimeters, rounded to 6 significant digits.

How do I convert 20 cm to mm?

mm = cm × 10. Applying it to 20 cm gives 200 mm.

What is 20 millimeters in centimeters?

20 millimeters = 2 cm. See 20 mm to cm.

What is 1 centimeter in millimeters?

1 cm = 10 mm.

About centimeters and millimeters

Centimeter (cm)

A centimeter is one hundredth of a meter. It is common for everyday lengths such as height, clothing sizes and furniture.

Millimeter (mm)

A millimeter is one thousandth of a meter. It is used for small dimensions in engineering drawings, machining and product specifications.

More length converters

Browse all length converters or open the millimeters to centimeters converter.