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