| millimeter | 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 | 21 mm | 22 mm | 23 mm | 24 mm | 25 mm | 26 mm | 27 mm | 28 mm | 29 mm | 30 mm | 31 mm | 32 mm | 33 mm | 34 mm | 35 mm | 36 mm | 37 mm | 38 mm | 39 mm | 40 mm | 41 mm | 42 mm | 43 mm | 44 mm | 45 mm | 46 mm | 47 mm | 48 mm | 49 mm | 50 mm | 51 mm | 52 mm | 53 mm | 54 mm | 55 mm | 56 mm | 57 mm | 58 mm | 59 mm | 60 mm | 61 mm | 62 mm | 63 mm | 64 mm | 65 mm | 66 mm | 67 mm | 68 mm | 69 mm | 70 mm | 71 mm | 72 mm | 73 mm | 74 mm | 75 mm | 76 mm | 77 mm | 78 mm | 79 mm | 80 mm | 81 mm | 82 mm | 83 mm | 84 mm | 85 mm | 86 mm | 87 mm | 88 mm | 89 mm | 90 mm | 91 mm | 92 mm | 93 mm | 94 mm | 95 mm | 96 mm | 97 mm | 98 mm | 99 mm | 100 mm |
| decameter | 0.0001 dam | 0.0002 dam | 0.0003 dam | 0.0004 dam | 0.0005 dam | 0.0006 dam | 0.0007 dam | 0.0008 dam | 0.0009 dam | 0.001 dam | 0.0011 dam | 0.0012 dam | 0.0013 dam | 0.0014 dam | 0.0015 dam | 0.0016 dam | 0.0017 dam | 0.0018 dam | 0.0019 dam | 0.002 dam | 0.0021 dam | 0.0022 dam | 0.0023 dam | 0.0024 dam | 0.0025 dam | 0.0026 dam | 0.0027 dam | 0.0028 dam | 0.0029 dam | 0.003 dam | 0.0031 dam | 0.0032 dam | 0.0033 dam | 0.0034 dam | 0.0035 dam | 0.0036 dam | 0.0037 dam | 0.0038 dam | 0.0039 dam | 0.004 dam | 0.0041 dam | 0.0042 dam | 0.0043 dam | 0.0044 dam | 0.0045 dam | 0.0046 dam | 0.0047 dam | 0.0048 dam | 0.0049 dam | 0.005 dam | 0.0051 dam | 0.0052 dam | 0.0053 dam | 0.0054 dam | 0.0055 dam | 0.0056 dam | 0.0057 dam | 0.0058 dam | 0.0059 dam | 0.006 dam | 0.0061 dam | 0.0062 dam | 0.0063 dam | 0.0064 dam | 0.0065 dam | 0.0066 dam | 0.0067 dam | 0.0068 dam | 0.0069 dam | 0.007 dam | 0.0071 dam | 0.0072 dam | 0.0073 dam | 0.0074 dam | 0.0075 dam | 0.0076 dam | 0.0077 dam | 0.0078 dam | 0.0079 dam | 0.008 dam | 0.0081 dam | 0.0082 dam | 0.0083 dam | 0.0084 dam | 0.0085 dam | 0.0086 dam | 0.0087 dam | 0.0088 dam | 0.0089 dam | 0.009 dam | 0.0091 dam | 0.0092 dam | 0.0093 dam | 0.0094 dam | 0.0095 dam | 0.0096 dam | 0.0097 dam | 0.0098 dam | 0.0099 dam | 0.01 dam |
The millimetre (International spelling as used by the International Bureau of Weights and Measures; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length. Therefore there are thousand millimetres in a metre. There are ten millimetres in a centimetre.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| millimeter | mm | ≡ 1×10-3 m ≡ 0.001 m | ≡ 1×10-3 m ≡ 0.001 m | Metric system SI |
| millimeters | decameters | millimeters | decameters |
|---|---|---|---|
| 1 | ≡ 0.0001 | 4 | ≡ 0.0004 |
| 1.5 | ≡ 0.00015 | 4.5 | ≡ 0.00045 |
| 2 | ≡ 0.0002 | 5 | ≡ 0.0005 |
| 2.5 | ≡ 0.00025 | 5.5 | ≡ 0.00055 |
| 3 | ≡ 0.0003 | 6 | ≡ 0.0006 |
Dekameter or decameter is a common metric unit of distance. It is equal to 10 meters or 32.8084 feet. Plural name is dekameters.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| decameter | dam | ≡ 1×10 m | ≡ 1×10 m | Metric system SI |
| decameters | millimeters | decameters | millimeters |
|---|---|---|---|
| 1 | ≡ 10000 | 4 | ≡ 40000 |
| 1.5 | ≡ 15000 | 4.5 | ≡ 45000 |
| 2 | ≡ 20000 | 5 | ≡ 50000 |
| 2.5 | ≡ 25000 | 5.5 | ≡ 55000 |
| 3 | ≡ 30000 | 6 | ≡ 60000 |
| millimeters | decameters |
|---|---|
| 1 | ≡ 0.0001 |
| 10 000 | ≡ 1 |
You can find the conversion in other languages in the following:
| Symbol | Definition |
|---|---|
| ≡ | exactly equal |
| ≈ | approximately equal to |
| = | equal to |
| digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |