| hectometer | 1 hm | 2 hm | 3 hm | 4 hm | 5 hm | 6 hm | 7 hm | 8 hm | 9 hm | 10 hm | 11 hm | 12 hm | 13 hm | 14 hm | 15 hm | 16 hm | 17 hm | 18 hm | 19 hm | 20 hm | 21 hm | 22 hm | 23 hm | 24 hm | 25 hm | 26 hm | 27 hm | 28 hm | 29 hm | 30 hm | 31 hm | 32 hm | 33 hm | 34 hm | 35 hm | 36 hm | 37 hm | 38 hm | 39 hm | 40 hm | 41 hm | 42 hm | 43 hm | 44 hm | 45 hm | 46 hm | 47 hm | 48 hm | 49 hm | 50 hm | 51 hm | 52 hm | 53 hm | 54 hm | 55 hm | 56 hm | 57 hm | 58 hm | 59 hm | 60 hm | 61 hm | 62 hm | 63 hm | 64 hm | 65 hm | 66 hm | 67 hm | 68 hm | 69 hm | 70 hm | 71 hm | 72 hm | 73 hm | 74 hm | 75 hm | 76 hm | 77 hm | 78 hm | 79 hm | 80 hm | 81 hm | 82 hm | 83 hm | 84 hm | 85 hm | 86 hm | 87 hm | 88 hm | 89 hm | 90 hm | 91 hm | 92 hm | 93 hm | 94 hm | 95 hm | 96 hm | 97 hm | 98 hm | 99 hm | 100 hm |
| millimeter | 100 000 mm | 200 000 mm | 300 000 mm | 400 000 mm | 500 000 mm | 600 000 mm | 700 000 mm | 800 000 mm | 900 000 mm | 1 000 000 mm | 1 100 000 mm | 1 200 000 mm | 1 300 000 mm | 1 400 000 mm | 1 500 000 mm | 1 600 000 mm | 1 700 000 mm | 1 800 000 mm | 1 900 000 mm | 2 000 000 mm | 2 100 000 mm | 2 200 000 mm | 2 300 000 mm | 2 400 000 mm | 2 500 000 mm | 2 600 000 mm | 2 700 000 mm | 2 800 000 mm | 2 900 000 mm | 3 000 000 mm | 3 100 000 mm | 3 200 000 mm | 3 300 000 mm | 3 400 000 mm | 3 500 000 mm | 3 600 000 mm | 3 700 000 mm | 3 800 000 mm | 3 900 000 mm | 4 000 000 mm | 4 100 000 mm | 4 200 000 mm | 4 300 000 mm | 4 400 000 mm | 4 500 000 mm | 4 600 000 mm | 4 700 000 mm | 4 800 000 mm | 4 900 000 mm | 5 000 000 mm | 5 100 000 mm | 5 200 000 mm | 5 300 000 mm | 5 400 000 mm | 5 500 000 mm | 5 600 000 mm | 5 700 000 mm | 5 800 000 mm | 5 900 000 mm | 6 000 000 mm | 6 100 000 mm | 6 200 000 mm | 6 300 000 mm | 6 400 000 mm | 6 500 000 mm | 6 600 000 mm | 6 700 000 mm | 6 800 000 mm | 6 900 000 mm | 7 000 000 mm | 7 100 000 mm | 7 200 000 mm | 7 300 000 mm | 7 400 000 mm | 7 500 000 mm | 7 600 000 mm | 7 700 000 mm | 7 800 000 mm | 7 900 000 mm | 8 000 000 mm | 8 100 000 mm | 8 200 000 mm | 8 300 000 mm | 8 400 000 mm | 8 500 000 mm | 8 600 000 mm | 8 700 000 mm | 8 800 000 mm | 8 900 000 mm | 9 000 000 mm | 9 100 000 mm | 9 200 000 mm | 9 300 000 mm | 9 400 000 mm | 9 500 000 mm | 9 600 000 mm | 9 700 000 mm | 9 800 000 mm | 9 900 000 mm | 10 000 000 mm |
Hectometer or hectometre is a measurement of distance. It is equal to 100 meters. It is a uncommonly used unit of length in the metric system. Plural name is hectometers.
| 1 hectometers ≡ 100000 millimeters | 4 hectometers ≡ 400000 millimeters |
| 1.5 hectometers ≡ 150000 millimeters | 4.5 hectometers ≡ 450000 millimeters |
| 2 hectometers ≡ 200000 millimeters | 5 hectometers ≡ 500000 millimeters |
| 2.5 hectometers ≡ 250000 millimeters | 5.5 hectometers ≡ 550000 millimeters |
| 3 hectometers ≡ 300000 millimeters | 6 hectometers ≡ 600000 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 ≡ 1.0E-5 hectometers | 4 millimeters ≡ 4.0E-5 hectometers |
| 1.5 millimeters ≡ 1.5E-5 hectometers | 4.5 millimeters ≡ 4.5E-5 hectometers |
| 2 millimeters ≡ 2.0E-5 hectometers | 5 millimeters ≡ 5.0E-5 hectometers |
| 2.5 millimeters ≡ 2.5E-5 hectometers | 5.5 millimeters ≡ 5.5E-5 hectometers |
| 3 millimeters ≡ 3.0E-5 hectometers | 6 millimeters ≡ 6.0E-5 hectometers |
| 1 hectometers ≡ 100 000 millimeters |
| 1 millimeters ≡ 1.0 × 10-5 hectometers |