| fortnight | 1 fn | 2 fn | 3 fn | 4 fn | 5 fn | 6 fn | 7 fn | 8 fn | 9 fn | 10 fn | 11 fn | 12 fn | 13 fn | 14 fn | 15 fn | 16 fn | 17 fn | 18 fn | 19 fn | 20 fn | 21 fn | 22 fn | 23 fn | 24 fn | 25 fn | 26 fn | 27 fn | 28 fn | 29 fn | 30 fn | 31 fn | 32 fn | 33 fn | 34 fn | 35 fn | 36 fn | 37 fn | 38 fn | 39 fn | 40 fn | 41 fn | 42 fn | 43 fn | 44 fn | 45 fn | 46 fn | 47 fn | 48 fn | 49 fn | 50 fn | 51 fn | 52 fn | 53 fn | 54 fn | 55 fn | 56 fn | 57 fn | 58 fn | 59 fn | 60 fn | 61 fn | 62 fn | 63 fn | 64 fn | 65 fn | 66 fn | 67 fn | 68 fn | 69 fn | 70 fn | 71 fn | 72 fn | 73 fn | 74 fn | 75 fn | 76 fn | 77 fn | 78 fn | 79 fn | 80 fn | 81 fn | 82 fn | 83 fn | 84 fn | 85 fn | 86 fn | 87 fn | 88 fn | 89 fn | 90 fn | 91 fn | 92 fn | 93 fn | 94 fn | 95 fn | 96 fn | 97 fn | 98 fn | 99 fn | 100 fn |
| millisecond | 1 209 600 000 ms | 2 419 200 000 ms | 3 628 800 000 ms | 4 838 400 000 ms | 6 048 000 000 ms | 7 257 600 000 ms | 8 467 200 000 ms | 9 676 800 000 ms | 10 886 400 000 ms | 12 096 000 000 ms | 13 305 600 000 ms | 14 515 200 000 ms | 15 724 800 000 ms | 16 934 400 000 ms | 18 144 000 000 ms | 19 353 600 000 ms | 20 563 200 000 ms | 21 772 800 000 ms | 22 982 400 000 ms | 24 192 000 000 ms | 25 401 600 000 ms | 26 611 200 000 ms | 27 820 800 000 ms | 29 030 400 000 ms | 30 240 000 000 ms | 31 449 600 000 ms | 32 659 200 000 ms | 33 868 800 000 ms | 35 078 400 000 ms | 36 288 000 000 ms | 37 497 600 000 ms | 38 707 200 000 ms | 39 916 800 000 ms | 41 126 400 000 ms | 42 336 000 000 ms | 43 545 600 000 ms | 44 755 200 000 ms | 45 964 800 000 ms | 47 174 400 000 ms | 48 384 000 000 ms | 49 593 600 000 ms | 50 803 200 000 ms | 52 012 800 000 ms | 53 222 400 000 ms | 54 432 000 000 ms | 55 641 600 000 ms | 56 851 200 000 ms | 58 060 800 000 ms | 59 270 400 000 ms | 60 480 000 000 ms | 61 689 600 000 ms | 62 899 200 000 ms | 64 108 800 000 ms | 65 318 400 000 ms | 66 528 000 000 ms | 67 737 600 000 ms | 68 947 200 000 ms | 70 156 800 000 ms | 71 366 400 000 ms | 72 576 000 000 ms | 73 785 600 000 ms | 74 995 200 000 ms | 76 204 800 000 ms | 77 414 400 000 ms | 78 624 000 000 ms | 79 833 600 000 ms | 81 043 200 000 ms | 82 252 800 000 ms | 83 462 400 000 ms | 84 672 000 000 ms | 85 881 600 000 ms | 87 091 200 000 ms | 88 300 800 000 ms | 89 510 400 000 ms | 90 720 000 000 ms | 91 929 600 000 ms | 93 139 200 000 ms | 94 348 800 000 ms | 95 558 400 000 ms | 96 768 000 000 ms | 97 977 600 000 ms | 99 187 200 000 ms | 100 396 800 000 ms | 101 606 400 000 ms | 102 816 000 000 ms | 104 025 600 000 ms | 105 235 200 000 ms | 106 444 800 000 ms | 107 654 400 000 ms | 108 864 000 000 ms | 110 073 600 000 ms | 111 283 200 000 ms | 112 492 800 000 ms | 113 702 400 000 ms | 114 912 000 000 ms | 116 121 600 000 ms | 117 331 200 000 ms | 118 540 800 000 ms | 119 750 400 000 ms | 120 960 000 000 ms |
A fortnight is a unit of time equal to 14 days (2 weeks). The word derives from the Old English: fēowertyne niht, meaning "fourteen nights".
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| fortnight | fn | ≡ 2 wk | = 1.2096 Ms | Metric system SI |
| fortnights | milliseconds | fortnights | milliseconds |
|---|---|---|---|
| 1 | = 1209600000 | 6 | = 7257600000 |
| 2 | = 2419200000 | 7 | = 8467200000 |
| 3 | = 3628800000 | 8 | = 9676800000 |
| 4 | = 4838400000 | 9 | = 10886400000 |
| 5 | = 6048000000 | 10 | = 12096000000 |
Millisecond is equal to 10-3 second (unit of time), comes from a combination of the metric prefix milli (m) with the second (s). Plural name is milliseconds.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| millisecond | ms | ≡ 10-3 second | ≡ 0.001 second | Metric system SI |
| milliseconds | fortnights | milliseconds | fortnights |
|---|---|---|---|
| 1 | = 8.2671957671958E-10 | 6 | = 4.9603174603175E-9 |
| 2 | = 1.6534391534392E-9 | 7 | = 5.787037037037E-9 |
| 3 | = 2.4801587301587E-9 | 8 | = 6.6137566137566E-9 |
| 4 | = 3.3068783068783E-9 | 9 | = 7.4404761904762E-9 |
| 5 | = 4.1335978835979E-9 | 10 | = 8.2671957671958E-9 |
| fortnights | milliseconds |
|---|---|
| 1 | = 1 209 600 000 |
| 8.2671957671958 × 10-10 | = 1 |
| 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 …) |