Length Converter

Millimetre to Decimetre
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Converting between millimetres and decimetres is a common operation in engineering, construction, and science. Understanding how these units relate helps you work with measurements at different scales, from microscopic dimensions to vast distances.

Also convert to: m cm dm km nm in ft yd mi nmi

20 mm = 2000 dm

20 (twenty) millimetre(s) is equal to 2000 (two thousand) decimetre(s)

What is millimetre?

The millimetre (mm) is a metric unit equal to one thousandth of a metre. It is widely used in engineering, manufacturing, and medicine for precise measurements. Standard paper thickness is typically measured in millimetres.

What is decimetre?

The decimetre (dm) is a metric unit equal to one tenth of a metre or 10 centimetres. While less commonly used in everyday life, it appears in scientific contexts and in some European countries for measuring small distances.

How to convert mm to dm

To convert Millimetre to Decimetre, multiply the value by 100.
20 mm × 100 = 2000 dm

Common Conversions

mm dm (Decimetre) Description
1 mm 100 dm 1 Millimetre(s) = 100 Decimetre(s)
2 mm 200 dm 2 Millimetre(s) = 200 Decimetre(s)
5 mm 500 dm 5 Millimetre(s) = 500 Decimetre(s)
10 mm 1000 dm 10 Millimetre(s) = 1000 Decimetre(s)
25 mm 2500 dm 25 Millimetre(s) = 2500 Decimetre(s)
50 mm 5000 dm 50 Millimetre(s) = 5000 Decimetre(s)
100 mm 10000 dm 100 Millimetre(s) = 10000 Decimetre(s)
250 mm 25000 dm 250 Millimetre(s) = 25000 Decimetre(s)
500 mm 50000 dm 500 Millimetre(s) = 50000 Decimetre(s)
1000 mm 100000 dm 1000 Millimetre(s) = 100000 Decimetre(s)
2500 mm 250000 dm 2500 Millimetre(s) = 250000 Decimetre(s)
5000 mm 500000 dm 5000 Millimetre(s) = 500000 Decimetre(s)
10000 mm 1000000 dm 10000 Millimetre(s) = 1000000 Decimetre(s)

Convert Millimetre to other units

mm Unit Description
20 mm 20000 m Metre
20 mm 2000000 cm Centimetre
20 mm 2000 dm Decimetre
20 mm 20 km Kilometre
20 mm 0.00002 nm Nanometre
20 mm 787401.574803 in Inch
20 mm 65616.7979 ft Foot
20 mm 21872.265967 yd Yard
20 mm 12.427424 mi Mile
20 mm 10.799136 nmi Nautical mile

More Decimetre conversions

1 mm 2 mm 3 mm 4 mm 5 mm 6 mm 7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm 20 mm 25 mm 30 mm 40 mm 50 mm 60 mm 70 mm 80 mm 90 mm 100 mm 200 mm 300 mm 500 mm 1000 mm 2000 mm 5000 mm 10000 mm

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