| 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 |
| hour | 336 h | 672 h | 1 008 h | 1 344 h | 1 680 h | 2 016 h | 2 352 h | 2 688 h | 3 024 h | 3 360 h | 3 696 h | 4 032 h | 4 368 h | 4 704 h | 5 040 h | 5 376 h | 5 712 h | 6 048 h | 6 384 h | 6 720 h | 7 056 h | 7 392 h | 7 728 h | 8 064 h | 8 400 h | 8 736 h | 9 072 h | 9 408 h | 9 744 h | 10 080 h | 10 416 h | 10 752 h | 11 088 h | 11 424 h | 11 760 h | 12 096 h | 12 432 h | 12 768 h | 13 104 h | 13 440 h | 13 776 h | 14 112 h | 14 448 h | 14 784 h | 15 120 h | 15 456 h | 15 792 h | 16 128 h | 16 464 h | 16 800 h | 17 136 h | 17 472 h | 17 808 h | 18 144 h | 18 480 h | 18 816 h | 19 152 h | 19 488 h | 19 824 h | 20 160 h | 20 496 h | 20 832 h | 21 168 h | 21 504 h | 21 840 h | 22 176 h | 22 512 h | 22 848 h | 23 184 h | 23 520 h | 23 856 h | 24 192 h | 24 528 h | 24 864 h | 25 200 h | 25 536 h | 25 872 h | 26 208 h | 26 544 h | 26 880 h | 27 216 h | 27 552 h | 27 888 h | 28 224 h | 28 560 h | 28 896 h | 29 232 h | 29 568 h | 29 904 h | 30 240 h | 30 576 h | 30 912 h | 31 248 h | 31 584 h | 31 920 h | 32 256 h | 32 592 h | 32 928 h | 33 264 h | 33 600 h |
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 | hours | fortnights | hours |
|---|---|---|---|
| 1 | = 336 | 6 | = 2016 |
| 2 | = 672 | 7 | = 2352 |
| 3 | = 1008 | 8 | = 2688 |
| 4 | = 1344 | 9 | = 3024 |
| 5 | = 1680 | 10 | = 3360 |
An hour (symbol: h; also abbreviated hr.) is a unit of time conventionally reckoned as 1⁄24 of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| hour | h | ≡ 60 min | = 3600 s | Metric system SI |
| hours | fortnights | hours | fortnights |
|---|---|---|---|
| 1 | = 0.0029761904761905 | 6 | = 0.017857142857143 |
| 2 | = 0.005952380952381 | 7 | = 0.020833333333333 |
| 3 | = 0.0089285714285714 | 8 | = 0.023809523809524 |
| 4 | = 0.011904761904762 | 9 | = 0.026785714285714 |
| 5 | = 0.014880952380952 | 10 | = 0.029761904761905 |
| fortnights | hours |
|---|---|
| 1 | = 336 |
| 0.0029762 | = 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 …) |