| attogram | 1 ag | 2 ag | 3 ag | 4 ag | 5 ag | 6 ag | 7 ag | 8 ag | 9 ag | 10 ag | 11 ag | 12 ag | 13 ag | 14 ag | 15 ag | 16 ag | 17 ag | 18 ag | 19 ag | 20 ag | 21 ag | 22 ag | 23 ag | 24 ag | 25 ag | 26 ag | 27 ag | 28 ag | 29 ag | 30 ag | 31 ag | 32 ag | 33 ag | 34 ag | 35 ag | 36 ag | 37 ag | 38 ag | 39 ag | 40 ag | 41 ag | 42 ag | 43 ag | 44 ag | 45 ag | 46 ag | 47 ag | 48 ag | 49 ag | 50 ag | 51 ag | 52 ag | 53 ag | 54 ag | 55 ag | 56 ag | 57 ag | 58 ag | 59 ag | 60 ag | 61 ag | 62 ag | 63 ag | 64 ag | 65 ag | 66 ag | 67 ag | 68 ag | 69 ag | 70 ag | 71 ag | 72 ag | 73 ag | 74 ag | 75 ag | 76 ag | 77 ag | 78 ag | 79 ag | 80 ag | 81 ag | 82 ag | 83 ag | 84 ag | 85 ag | 86 ag | 87 ag | 88 ag | 89 ag | 90 ag | 91 ag | 92 ag | 93 ag | 94 ag | 95 ag | 96 ag | 97 ag | 98 ag | 99 ag | 100 ag |
| zeptogram | 1 000 zg | 2 000 zg | 3 000 zg | 4 000 zg | 5 000 zg | 6 000 zg | 7 000 zg | 8 000 zg | 9 000 zg | 10 000 zg | 11 000 zg | 12 000 zg | 13 000 zg | 14 000 zg | 15 000 zg | 16 000 zg | 17 000 zg | 18 000 zg | 19 000 zg | 20 000 zg | 21 000 zg | 22 000 zg | 23 000 zg | 24 000 zg | 25 000 zg | 26 000 zg | 27 000 zg | 28 000 zg | 29 000 zg | 30 000 zg | 31 000 zg | 32 000 zg | 33 000 zg | 34 000 zg | 35 000 zg | 36 000 zg | 37 000 zg | 38 000 zg | 39 000 zg | 40 000 zg | 41 000 zg | 42 000 zg | 43 000 zg | 44 000 zg | 45 000 zg | 46 000 zg | 47 000 zg | 48 000 zg | 49 000 zg | 50 000 zg | 51 000 zg | 52 000 zg | 53 000 zg | 54 000 zg | 55 000 zg | 56 000 zg | 57 000 zg | 58 000 zg | 59 000 zg | 60 000 zg | 61 000 zg | 62 000 zg | 63 000 zg | 64 000 zg | 65 000 zg | 66 000 zg | 67 000 zg | 68 000 zg | 69 000 zg | 70 000 zg | 71 000 zg | 72 000 zg | 73 000 zg | 74 000 zg | 75 000 zg | 76 000 zg | 77 000 zg | 78 000 zg | 79 000 zg | 80 000 zg | 81 000 zg | 82 000 zg | 83 000 zg | 84 000 zg | 85 000 zg | 86 000 zg | 87 000 zg | 88 000 zg | 89 000 zg | 90 000 zg | 91 000 zg | 92 000 zg | 93 000 zg | 94 000 zg | 95 000 zg | 96 000 zg | 97 000 zg | 98 000 zg | 99 000 zg | 100 000 zg |
attogram or attogramme is equal to 10-18 gram (unit of mass), comes from a combination of the metric prefix atto (a) with the gram (g). Plural name is attograms.
| 1 attograms ≡ 1000 zeptograms | 11 attograms ≡ 11000 zeptograms |
| 2.5 attograms ≡ 2500 zeptograms | 12.5 attograms ≡ 12500 zeptograms |
| 4 attograms ≡ 4000 zeptograms | 14 attograms ≡ 14000 zeptograms |
| 5.5 attograms ≡ 5500 zeptograms | 15.5 attograms ≡ 15500 zeptograms |
| 7 attograms ≡ 7000 zeptograms | 17 attograms ≡ 17000 zeptograms |
| 8.5 attograms ≡ 8500 zeptograms | 18.5 attograms ≡ 18500 zeptograms |
| 10 attograms ≡ 10000 zeptograms | 20 attograms ≡ 20000 zeptograms |
zeptogram or zeptogramme is equal to 10-21 gram (unit of mass), comes from a combination of the metric prefix zepto (z) with the gram (g). Plural name is zeptograms.
| 1 zeptograms ≡ 0.001 attograms | 11 zeptograms ≡ 0.011 attograms |
| 2.5 zeptograms ≡ 0.0025 attograms | 12.5 zeptograms ≡ 0.0125 attograms |
| 4 zeptograms ≡ 0.004 attograms | 14 zeptograms ≡ 0.014 attograms |
| 5.5 zeptograms ≡ 0.0055 attograms | 15.5 zeptograms ≡ 0.0155 attograms |
| 7 zeptograms ≡ 0.007 attograms | 17 zeptograms ≡ 0.017 attograms |
| 8.5 zeptograms ≡ 0.0085 attograms | 18.5 zeptograms ≡ 0.0185 attograms |
| 10 zeptograms ≡ 0.01 attograms | 20 zeptograms ≡ 0.02 attograms |
| 1 attograms ≡ 1 000 zeptograms |
| 1 zeptograms ≡ 0.001 attograms |