Years come weeks switch table
1 year 52.14 main
2 years 104.3 weeks
3 year 156.4 mainly
4 year 208.6 main
5 year 260.7 weeks
6 year 312.8 mainly
7 year 365 mainly
8 year 417.1 mainly
9 year 469.3 main
10 years 521.4 weeks
11 years 573.5 mainly
12 year 625.7 mainly
13 year 677.8 main
14 years 730 weeks
15 year 782.1 main
16 year 834.2 main
17 year 886.4 mainly
18 year 938.5 mainly
19 years 990.7 main
two decades 1043 main
21 years
1095 main
22 year 1147 mainly
23 years 1199 mainly
24 year 1251 mainly
25 years 1304 main
26 years 1356 mainly
27 years 1408 mainly
28 year 1460 main
29 year 1512 mainly
30 year 1564 weeks
31 year 1616 main
32 years 1668 main
33 year 1721 mainly
34 years 1773 weeks
35 years 1825 weeks
36 year 1877 main
37 year 1929 main
38 years 1981 mainly
39 years 2033 main
40 year 2086 main
41 year
2138 main
42 years 2190 weeks
43 years 2242 main
44 year 2294 mainly
45 years 2346 main
46 years 2398 mainly
47 year 2451 weeks
48 year 2503 main
49 years 2555 weeks
50 years 2607 mainly
51 year 2659 weeks
52 years 2711 weeks
53 year 2763 mainly
54 years 2816 main
55 year 2868 weeks
56 years 2920 main
57 year 2972 weeks
58 years 3024 main
59 year 3076 weeks
60 year 3128 main
61 year
3181 weeks
62 year 3233 weeks
63 years 3285 weeks
64 year 3337 weeks
65 year 3389 main
66 years 3441 mainly
67 year 3493 main
68 years 3546 mainly
69 years 3598 main
70 year 3650 main
72 years 3754 weeks
74 year 3858 weeks
76 years 3963 main
78 years 4067 weeks
80 years 4171 mainly
82 years 4275 weeks
85 years 4432 weeks
90 year 4693 weeks
95 years 4953 mainly
100 years 5214 weeks

Weeks to years conversion table

1 main 0.01918 year
2 mainly 0.03836 year
3 main 0.05754 year
4 weeks 0.07672 year
5 main 0.0959 year
6 mainly 0.1151 year
7 weeks 0.1343 year
8 main 0.1534 year
9 mainly 0.1726 year
10 weeks 0.1918 year
11 main 0.211 year
12 main 0.2301 year
13 mainly 0.2493 year
14 mainly 0.2685 year
15 weeks 0.2877 year
16 main 0.3069 year
17 mainly 0.326 year
18 mainly 0.3452 year
19 mainly 0.3644 year
20 mainly 0.3836 year
21 main
0.4028 year
22 weeks 0.4219 year
23 weeks 0.4411 year
24 main 0.4603 year
25 weeks 0.4795 year
26 weeks 0.4987 year
27 mainly 0.5178 year
28 weeks 0.537 year
29 main 0.5562 year
30 main 0.5754 year
31 mainly 0.5946 year
32 weeks 0.6137 year
33 main 0.6329 year
34 mainly 0.6521 year
35 weeks 0.6713 year
36 weeks 0.6904 year
37 main 0.7096 year
38 weeks 0.7288 year
39 main 0.748 year
40 weeks 0.7672 year
41 mainly
0.7863 year
42 mainly 0.8055 year
43 mainly 0.8247 year
44 mainly 0.8439 year
45 mainly 0.8631 year
46 weeks 0.8822 year
47 weeks 0.9014 year
48 main 0.9206 year
49 weeks 0.9398 year
50 mainly 0.959 year
51 mainly 0.9781 year
52 main 0.9973 year
53 main 1.016 year
54 weeks 1.036 year
55 weeks 1.055 year
56 main 1.074 years
57 main 1.093 years
58 main 1.112 years
59 weeks 1.132 years
60 weeks 1.151 year
61 weeks
1.17 year
62 weeks 1.189 year
63 weeks 1.208 years
64 mainly 1.227 years
65 weeks 1.247 years
66 weeks 1.266 year
67 weeks 1.285 year
68 mainly 1.304 year
69 weeks 1.323 years
70 mainly 1.343 years
72 mainly 1.381 years
74 weeks 1.419 year
76 mainly 1.458 year
78 mainly 1.496 years
80 main 1.534 year
82 main 1.573 years
85 mainly 1.63 years
90 main 1.726 year
95 weeks 1.822 years
100 weeks 1.918 year