| zeptogram | 1 zg | 2 zg | 3 zg | 4 zg | 5 zg | 6 zg | 7 zg | 8 zg | 9 zg | 10 zg | 11 zg | 12 zg | 13 zg | 14 zg | 15 zg | 16 zg | 17 zg | 18 zg | 19 zg | 20 zg | 21 zg | 22 zg | 23 zg | 24 zg | 25 zg | 26 zg | 27 zg | 28 zg | 29 zg | 30 zg | 31 zg | 32 zg | 33 zg | 34 zg | 35 zg | 36 zg | 37 zg | 38 zg | 39 zg | 40 zg | 41 zg | 42 zg | 43 zg | 44 zg | 45 zg | 46 zg | 47 zg | 48 zg | 49 zg | 50 zg | 51 zg | 52 zg | 53 zg | 54 zg | 55 zg | 56 zg | 57 zg | 58 zg | 59 zg | 60 zg | 61 zg | 62 zg | 63 zg | 64 zg | 65 zg | 66 zg | 67 zg | 68 zg | 69 zg | 70 zg | 71 zg | 72 zg | 73 zg | 74 zg | 75 zg | 76 zg | 77 zg | 78 zg | 79 zg | 80 zg | 81 zg | 82 zg | 83 zg | 84 zg | 85 zg | 86 zg | 87 zg | 88 zg | 89 zg | 90 zg | 91 zg | 92 zg | 93 zg | 94 zg | 95 zg | 96 zg | 97 zg | 98 zg | 99 zg | 100 zg |
| attogram | 0.001 ag | 0.002 ag | 0.003 ag | 0.004 ag | 0.005 ag | 0.006 ag | 0.007 ag | 0.008 ag | 0.009 ag | 0.01 ag | 0.011 ag | 0.012 ag | 0.013 ag | 0.014 ag | 0.015 ag | 0.016 ag | 0.017 ag | 0.018 ag | 0.019 ag | 0.02 ag | 0.021 ag | 0.022 ag | 0.023 ag | 0.024 ag | 0.025 ag | 0.026 ag | 0.027 ag | 0.028 ag | 0.029 ag | 0.03 ag | 0.031 ag | 0.032 ag | 0.033 ag | 0.034 ag | 0.035 ag | 0.036 ag | 0.037 ag | 0.038 ag | 0.039 ag | 0.04 ag | 0.041 ag | 0.042 ag | 0.043 ag | 0.044 ag | 0.045 ag | 0.046 ag | 0.047 ag | 0.048 ag | 0.049 ag | 0.05 ag | 0.051 ag | 0.052 ag | 0.053 ag | 0.054 ag | 0.055 ag | 0.056 ag | 0.057 ag | 0.058 ag | 0.059 ag | 0.06 ag | 0.061 ag | 0.062 ag | 0.063 ag | 0.064 ag | 0.065 ag | 0.066 ag | 0.067 ag | 0.068 ag | 0.069 ag | 0.07 ag | 0.071 ag | 0.072 ag | 0.073 ag | 0.074 ag | 0.075 ag | 0.076 ag | 0.077 ag | 0.078 ag | 0.079 ag | 0.08 ag | 0.081 ag | 0.082 ag | 0.083 ag | 0.084 ag | 0.085 ag | 0.086 ag | 0.087 ag | 0.088 ag | 0.089 ag | 0.09 ag | 0.091 ag | 0.092 ag | 0.093 ag | 0.094 ag | 0.095 ag | 0.096 ag | 0.097 ag | 0.098 ag | 0.099 ag | 0.1 ag |
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 |
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 |
| 1 zeptograms ≡ 0.001 attograms |
| 1 attograms ≡ 1 000 zeptograms |