| meter | 1 m | 2 m | 3 m | 4 m | 5 m | 6 m | 7 m | 8 m | 9 m | 10 m | 11 m | 12 m | 13 m | 14 m | 15 m | 16 m | 17 m | 18 m | 19 m | 20 m | 21 m | 22 m | 23 m | 24 m | 25 m | 26 m | 27 m | 28 m | 29 m | 30 m | 31 m | 32 m | 33 m | 34 m | 35 m | 36 m | 37 m | 38 m | 39 m | 40 m | 41 m | 42 m | 43 m | 44 m | 45 m | 46 m | 47 m | 48 m | 49 m | 50 m | 51 m | 52 m | 53 m | 54 m | 55 m | 56 m | 57 m | 58 m | 59 m | 60 m | 61 m | 62 m | 63 m | 64 m | 65 m | 66 m | 67 m | 68 m | 69 m | 70 m | 71 m | 72 m | 73 m | 74 m | 75 m | 76 m | 77 m | 78 m | 79 m | 80 m | 81 m | 82 m | 83 m | 84 m | 85 m | 86 m | 87 m | 88 m | 89 m | 90 m | 91 m | 92 m | 93 m | 94 m | 95 m | 96 m | 97 m | 98 m | 99 m | 100 m |
| millimeter | 1 000 mm | 2 000 mm | 3 000 mm | 4 000 mm | 5 000 mm | 6 000 mm | 7 000 mm | 8 000 mm | 9 000 mm | 10 000 mm | 11 000 mm | 12 000 mm | 13 000 mm | 14 000 mm | 15 000 mm | 16 000 mm | 17 000 mm | 18 000 mm | 19 000 mm | 20 000 mm | 21 000 mm | 22 000 mm | 23 000 mm | 24 000 mm | 25 000 mm | 26 000 mm | 27 000 mm | 28 000 mm | 29 000 mm | 30 000 mm | 31 000 mm | 32 000 mm | 33 000 mm | 34 000 mm | 35 000 mm | 36 000 mm | 37 000 mm | 38 000 mm | 39 000 mm | 40 000 mm | 41 000 mm | 42 000 mm | 43 000 mm | 44 000 mm | 45 000 mm | 46 000 mm | 47 000 mm | 48 000 mm | 49 000 mm | 50 000 mm | 51 000 mm | 52 000 mm | 53 000 mm | 54 000 mm | 55 000 mm | 56 000 mm | 57 000 mm | 58 000 mm | 59 000 mm | 60 000 mm | 61 000 mm | 62 000 mm | 63 000 mm | 64 000 mm | 65 000 mm | 66 000 mm | 67 000 mm | 68 000 mm | 69 000 mm | 70 000 mm | 71 000 mm | 72 000 mm | 73 000 mm | 74 000 mm | 75 000 mm | 76 000 mm | 77 000 mm | 78 000 mm | 79 000 mm | 80 000 mm | 81 000 mm | 82 000 mm | 83 000 mm | 84 000 mm | 85 000 mm | 86 000 mm | 87 000 mm | 88 000 mm | 89 000 mm | 90 000 mm | 91 000 mm | 92 000 mm | 93 000 mm | 94 000 mm | 95 000 mm | 96 000 mm | 97 000 mm | 98 000 mm | 99 000 mm | 100 000 mm |
The metre (international spelling) or meter (American spelling) (from the Greek noun μέτρον, "measure") is the base unit of length in the International System of Units (SI). The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1/299 792 458 seconds.
| 1 meters ≡ 1000 millimeters | 4 meters ≡ 4000 millimeters |
| 1.5 meters ≡ 1500 millimeters | 4.5 meters ≡ 4500 millimeters |
| 2 meters ≡ 2000 millimeters | 5 meters ≡ 5000 millimeters |
| 2.5 meters ≡ 2500 millimeters | 5.5 meters ≡ 5500 millimeters |
| 3 meters ≡ 3000 millimeters | 6 meters ≡ 6000 millimeters |
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.
| 1 millimeters ≡ 0.001 meters | 4 millimeters ≡ 0.004 meters |
| 1.5 millimeters ≡ 0.0015 meters | 4.5 millimeters ≡ 0.0045 meters |
| 2 millimeters ≡ 0.002 meters | 5 millimeters ≡ 0.005 meters |
| 2.5 millimeters ≡ 0.0025 meters | 5.5 millimeters ≡ 0.0055 meters |
| 3 millimeters ≡ 0.003 meters | 6 millimeters ≡ 0.006 meters |
| 1 meters ≡ 1 000 millimeters |
| 1 millimeters ≡ 0.001 meters |