| megameter | 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 |
| millimeter | 1 000 000 000 mm | 2 000 000 000 mm | 3 000 000 000 mm | 4 000 000 000 mm | 5 000 000 000 mm | 6 000 000 000 mm | 7 000 000 000 mm | 8 000 000 000 mm | 9 000 000 000 mm | 10 000 000 000 mm | 11 000 000 000 mm | 12 000 000 000 mm | 13 000 000 000 mm | 14 000 000 000 mm | 15 000 000 000 mm | 16 000 000 000 mm | 17 000 000 000 mm | 18 000 000 000 mm | 19 000 000 000 mm | 20 000 000 000 mm | 21 000 000 000 mm | 22 000 000 000 mm | 23 000 000 000 mm | 24 000 000 000 mm | 25 000 000 000 mm | 26 000 000 000 mm | 27 000 000 000 mm | 28 000 000 000 mm | 29 000 000 000 mm | 30 000 000 000 mm | 31 000 000 000 mm | 32 000 000 000 mm | 33 000 000 000 mm | 34 000 000 000 mm | 35 000 000 000 mm | 36 000 000 000 mm | 37 000 000 000 mm | 38 000 000 000 mm | 39 000 000 000 mm | 40 000 000 000 mm | 41 000 000 000 mm | 42 000 000 000 mm | 43 000 000 000 mm | 44 000 000 000 mm | 45 000 000 000 mm | 46 000 000 000 mm | 47 000 000 000 mm | 48 000 000 000 mm | 49 000 000 000 mm | 50 000 000 000 mm | 51 000 000 000 mm | 52 000 000 000 mm | 53 000 000 000 mm | 54 000 000 000 mm | 55 000 000 000 mm | 56 000 000 000 mm | 57 000 000 000 mm | 58 000 000 000 mm | 59 000 000 000 mm | 60 000 000 000 mm | 61 000 000 000 mm | 62 000 000 000 mm | 63 000 000 000 mm | 64 000 000 000 mm | 65 000 000 000 mm | 66 000 000 000 mm | 67 000 000 000 mm | 68 000 000 000 mm | 69 000 000 000 mm | 70 000 000 000 mm | 71 000 000 000 mm | 72 000 000 000 mm | 73 000 000 000 mm | 74 000 000 000 mm | 75 000 000 000 mm | 76 000 000 000 mm | 77 000 000 000 mm | 78 000 000 000 mm | 79 000 000 000 mm | 80 000 000 000 mm | 81 000 000 000 mm | 82 000 000 000 mm | 83 000 000 000 mm | 84 000 000 000 mm | 85 000 000 000 mm | 86 000 000 000 mm | 87 000 000 000 mm | 88 000 000 000 mm | 89 000 000 000 mm | 90 000 000 000 mm | 91 000 000 000 mm | 92 000 000 000 mm | 93 000 000 000 mm | 94 000 000 000 mm | 95 000 000 000 mm | 96 000 000 000 mm | 97 000 000 000 mm | 98 000 000 000 mm | 99 000 000 000 mm | 100 000 000 000 mm |
Megameter or megametre is a metric unit of length or distance. It is equal to 1 000 000 meters. Megametres are also occasionally found in science fiction. Plural name is megameters.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| megameter | Mm | ≡ 1×106 m | ≡ 1×106 m | Metric system SI |
| megameters | millimeters | megameters | millimeters |
|---|---|---|---|
| 1 | ≡ 1000000000 | 4 | ≡ 4000000000 |
| 1.5 | ≡ 1500000000 | 4.5 | ≡ 4500000000 |
| 2 | ≡ 2000000000 | 5 | ≡ 5000000000 |
| 2.5 | ≡ 2500000000 | 5.5 | ≡ 5500000000 |
| 3 | ≡ 3000000000 | 6 | ≡ 6000000000 |
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 | megameters | millimeters | megameters |
|---|---|---|---|
| 1 | ≡ 1.0E-9 | 4 | ≡ 4.0E-9 |
| 1.5 | ≡ 1.5E-9 | 4.5 | ≡ 4.5E-9 |
| 2 | ≡ 2.0E-9 | 5 | ≡ 5.0E-9 |
| 2.5 | ≡ 2.5E-9 | 5.5 | ≡ 5.5E-9 |
| 3 | ≡ 3.0E-9 | 6 | ≡ 6.0E-9 |
| megameters | millimeters |
|---|---|
| 1 | ≡ 1 000 000 000 |
| 1.0 × 10-9 | ≡ 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 …) |