| year | 1 y | 2 y | 3 y | 4 y | 5 y | 6 y | 7 y | 8 y | 9 y | 10 y | 11 y | 12 y | 13 y | 14 y | 15 y | 16 y | 17 y | 18 y | 19 y | 20 y | 21 y | 22 y | 23 y | 24 y | 25 y | 26 y | 27 y | 28 y | 29 y | 30 y | 31 y | 32 y | 33 y | 34 y | 35 y | 36 y | 37 y | 38 y | 39 y | 40 y | 41 y | 42 y | 43 y | 44 y | 45 y | 46 y | 47 y | 48 y | 49 y | 50 y | 51 y | 52 y | 53 y | 54 y | 55 y | 56 y | 57 y | 58 y | 59 y | 60 y | 61 y | 62 y | 63 y | 64 y | 65 y | 66 y | 67 y | 68 y | 69 y | 70 y | 71 y | 72 y | 73 y | 74 y | 75 y | 76 y | 77 y | 78 y | 79 y | 80 y | 81 y | 82 y | 83 y | 84 y | 85 y | 86 y | 87 y | 88 y | 89 y | 90 y | 91 y | 92 y | 93 y | 94 y | 95 y | 96 y | 97 y | 98 y | 99 y | 100 y |
| fortnight | 26.0887285 fn | 52.1774570 fn | 78.2661855 fn | 104.3549140 fn | 130.4436425 fn | 156.5323710 fn | 182.6210995 fn | 208.7098280 fn | 234.7985565 fn | 260.8872851 fn | 286.9760136 fn | 313.0647421 fn | 339.1534706 fn | 365.2421991 fn | 391.3309276 fn | 417.4196561 fn | 443.5083846 fn | 469.5971131 fn | 495.6858416 fn | 521.7745701 fn | 547.8632986 fn | 573.9520271 fn | 600.0407556 fn | 626.1294841 fn | 652.2182126 fn | 678.3069411 fn | 704.3956696 fn | 730.4843981 fn | 756.5731267 fn | 782.6618552 fn | 808.7505837 fn | 834.8393122 fn | 860.9280407 fn | 887.0167692 fn | 913.1054977 fn | 939.1942262 fn | 965.2829547 fn | 991.3716832 fn | 1,017.4604117 fn | 1,043.5491402 fn | 1,069.6378687 fn | 1,095.7265972 fn | 1,121.8153257 fn | 1,147.9040542 fn | 1,173.9927827 fn | 1,200.0815112 fn | 1,226.1702397 fn | 1,252.2589683 fn | 1,278.3476968 fn | 1,304.4364253 fn | 1,330.5251538 fn | 1,356.6138823 fn | 1,382.7026108 fn | 1,408.7913393 fn | 1,434.8800678 fn | 1,460.9687963 fn | 1,487.0575248 fn | 1,513.1462533 fn | 1,539.2349818 fn | 1,565.3237103 fn | 1,591.4124388 fn | 1,617.5011673 fn | 1,643.5898958 fn | 1,669.6786243 fn | 1,695.7673528 fn | 1,721.8560813 fn | 1,747.9448099 fn | 1,774.0335384 fn | 1,800.1222669 fn | 1,826.2109954 fn | 1,852.2997239 fn | 1,878.3884524 fn | 1,904.4771809 fn | 1,930.5659094 fn | 1,956.6546379 fn | 1,982.7433664 fn | 2,008.8320949 fn | 2,034.9208234 fn | 2,061.0095519 fn | 2,087.0982804 fn | 2,113.1870089 fn | 2,139.2757374 fn | 2,165.3644659 fn | 2,191.4531944 fn | 2,217.5419229 fn | 2,243.6306515 fn | 2,269.7193800 fn | 2,295.8081085 fn | 2,321.8968370 fn | 2,347.9855655 fn | 2,374.0742940 fn | 2,400.1630225 fn | 2,426.2517510 fn | 2,452.3404795 fn | 2,478.4292080 fn | 2,504.5179365 fn | 2,530.6066650 fn | 2,556.6953935 fn | 2,582.7841220 fn | 2,608.8728505 fn |
A year is the orbital period of the Earth moving in its orbit around the Sun. Due to the Earth's axial tilt, the course of a year sees the passing of the seasons, marked by changes in weather, the hours of daylight, and, consequently, vegetation and soil fertility.
| 1 years = 26.088728505291 fortnights | 6 years = 156.53237103175 fortnights |
| 2 years = 52.177457010582 fortnights | 7 years = 182.62109953704 fortnights |
| 3 years = 78.266185515873 fortnights | 8 years = 208.70982804233 fortnights |
| 4 years = 104.35491402116 fortnights | 9 years = 234.79855654762 fortnights |
| 5 years = 130.44364252646 fortnights | 10 years = 260.88728505291 fortnights |
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".
| 1 fortnights = 0.038330729678803 years | 6 fortnights = 0.22998437807282 years |
| 2 fortnights = 0.076661459357607 years | 7 fortnights = 0.26831510775162 years |
| 3 fortnights = 0.11499218903641 years | 8 fortnights = 0.30664583743043 years |
| 4 fortnights = 0.15332291871521 years | 9 fortnights = 0.34497656710923 years |
| 5 fortnights = 0.19165364839402 years | 10 fortnights = 0.38330729678803 years |
| 1 years = 26.0887285 fortnights |
| 1 fortnights = 0.0383307 years |