Almanak Hins íslenska þjóðvinafélags - 01.01.1913, Side 142

Flatarmál.
Ferálnir í fermetra (m2).
1 feralin = 0,3940 m2.
Feráln. Fertn. Feráln. Ferm. Feráín. Fertn. Feráln. Ferm.
1 0,394 28 11,032 55 21,671 82 32,309
2 0,788 29 11,426 56 22,065 83 32,703
3 1,182 30 11,820 57 22,459 84 33,097
4 1,576 31 12,214 58 22,853 85 33,491
5 1,970 32 12,609 59 23,247 86 33,885
(> 2,364 33 13,003 60 23,641 87 34,279
7 2,758 34 13,397 61 24,035 88 34,673
8 3,152 35 13,791 62 24,429 89 35,067
9 3,546 36 14,185 63 24,823 90 35,461
10 3,940 37 14,579 64 25,217 91 35,855
11 4,334 38 14,973 65 25,611 92 36,249
12 4,728 39 15,367 66 26,005 93 36,643
13 5,122 40 15,761 67 26,399 94 37,038
14 5,516 41 16,115 68 26,793 95 37,432
15 5,910 42 16,549 69 27,187 96 37,82(5
16 6,304 43 16,943 70 27,581 97 38,220
17 6,698 44 17,337 71 27,975 98 38,614
18 7,092 45 17,731 72 28,369 99 39,008
19 7,486 46 18,125 73 28,763 100 39,402
20 7,880 47 18,519 74 29,157 200 78,803
21 8,274 48 18,913 75 29,551 300 118,205
22 8,668 49 19,307 76 29,945 400 157,606
23 9,062 50 19,701 77 30,339 500 197,008
24 9,456 51 20,095 78 30,733 600 236,410
25 9,850 52 20,489 79 31,127 700 275,811
26 10,244 53 20,883 80 31,521 800 315,213
27 10,638 54 21,277 81 31,915 900 354,614
1000 394,016
Dæmi:
8000 feráln. = 10 - 800 feráln. = 3152,13 m!.
100 — = 39,40 —
8100 feráln. = 1 dagsl. = 3191,53 m2.
Ferálnum má breyta í fermetra meö pví að helm-
inga álnatöluna og draga fimmtung frá; t. d. 50 fer-
áln. = 25—5 = 20 m2.
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