| 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 |
| kilogram | 1.0 × 10-21 kg | 2.0 × 10-21 kg | 3.0 × 10-21 kg | 4.0 × 10-21 kg | 5.0 × 10-21 kg | 6.0 × 10-21 kg | 7.0 × 10-21 kg | 8.0 × 10-21 kg | 9.0 × 10-21 kg | 1.0 × 10-20 kg | 1.1 × 10-20 kg | 1.2 × 10-20 kg | 1.3 × 10-20 kg | 1.4 × 10-20 kg | 1.5 × 10-20 kg | 1.6 × 10-20 kg | 1.7 × 10-20 kg | 1.8 × 10-20 kg | 1.9 × 10-20 kg | 2.0 × 10-20 kg | 2.1 × 10-20 kg | 2.2 × 10-20 kg | 2.3 × 10-20 kg | 2.4 × 10-20 kg | 2.5 × 10-20 kg | 2.6 × 10-20 kg | 2.7 × 10-20 kg | 2.8 × 10-20 kg | 2.9 × 10-20 kg | 3.0 × 10-20 kg | 3.1 × 10-20 kg | 3.2 × 10-20 kg | 3.3 × 10-20 kg | 3.4 × 10-20 kg | 3.5 × 10-20 kg | 3.6 × 10-20 kg | 3.7 × 10-20 kg | 3.8 × 10-20 kg | 3.9 × 10-20 kg | 4.0 × 10-20 kg | 4.1 × 10-20 kg | 4.2 × 10-20 kg | 4.3 × 10-20 kg | 4.4 × 10-20 kg | 4.5 × 10-20 kg | 4.6 × 10-20 kg | 4.7 × 10-20 kg | 4.8 × 10-20 kg | 4.9 × 10-20 kg | 5.0 × 10-20 kg | 5.1 × 10-20 kg | 5.2 × 10-20 kg | 5.3 × 10-20 kg | 5.4 × 10-20 kg | 5.5 × 10-20 kg | 5.6 × 10-20 kg | 5.7 × 10-20 kg | 5.8 × 10-20 kg | 5.9 × 10-20 kg | 6.0 × 10-20 kg | 6.1 × 10-20 kg | 6.2 × 10-20 kg | 6.3 × 10-20 kg | 6.4 × 10-20 kg | 6.5 × 10-20 kg | 6.6 × 10-20 kg | 6.7 × 10-20 kg | 6.8 × 10-20 kg | 6.9 × 10-20 kg | 7.0 × 10-20 kg | 7.1 × 10-20 kg | 7.2 × 10-20 kg | 7.3 × 10-20 kg | 7.4 × 10-20 kg | 7.5 × 10-20 kg | 7.6 × 10-20 kg | 7.7 × 10-20 kg | 7.8 × 10-20 kg | 7.9 × 10-20 kg | 8.0 × 10-20 kg | 8.1 × 10-20 kg | 8.2 × 10-20 kg | 8.3 × 10-20 kg | 8.4 × 10-20 kg | 8.5 × 10-20 kg | 8.6 × 10-20 kg | 8.7 × 10-20 kg | 8.8 × 10-20 kg | 8.9 × 10-20 kg | 9.0 × 10-20 kg | 9.1 × 10-20 kg | 9.2 × 10-20 kg | 9.3 × 10-20 kg | 9.4 × 10-20 kg | 9.5 × 10-20 kg | 9.6 × 10-20 kg | 9.7 × 10-20 kg | 9.8 × 10-20 kg | 9.9 × 10-20 kg | 1.0 × 10-19 kg |
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 ≡ 1.0E-21 kilograms | 11 attograms ≡ 1.1E-20 kilograms |
| 2.5 attograms ≡ 2.5E-21 kilograms | 12.5 attograms ≡ 1.25E-20 kilograms |
| 4 attograms ≡ 4.0E-21 kilograms | 14 attograms ≡ 1.4E-20 kilograms |
| 5.5 attograms ≡ 5.5E-21 kilograms | 15.5 attograms ≡ 1.55E-20 kilograms |
| 7 attograms ≡ 7.0E-21 kilograms | 17 attograms ≡ 1.7E-20 kilograms |
| 8.5 attograms ≡ 8.5E-21 kilograms | 18.5 attograms ≡ 1.85E-20 kilograms |
| 10 attograms ≡ 1.0E-20 kilograms | 20 attograms ≡ 2.0E-20 kilograms |
The kilogram or kilogramme (SI unit symbol: kg) is the base unit of mass in the International System of Units (SI) (the Metric system) and is defined as being equal to the mass of the International Prototype of the Kilogram (IPK, also known as "Le Grand K" or "Big K").
| 1 kilograms ≡ 1.0E+21 attograms | 11 kilograms ≡ 1.1E+22 attograms |
| 2.5 kilograms ≡ 2.5E+21 attograms | 12.5 kilograms ≡ 1.25E+22 attograms |
| 4 kilograms ≡ 4.0E+21 attograms | 14 kilograms ≡ 1.4E+22 attograms |
| 5.5 kilograms ≡ 5.5E+21 attograms | 15.5 kilograms ≡ 1.55E+22 attograms |
| 7 kilograms ≡ 7.0E+21 attograms | 17 kilograms ≡ 1.7E+22 attograms |
| 8.5 kilograms ≡ 8.5E+21 attograms | 18.5 kilograms ≡ 1.85E+22 attograms |
| 10 kilograms ≡ 1.0E+22 attograms | 20 kilograms ≡ 2.0E+22 attograms |
| 1 attograms ≡ 1.0 × 10-21 kilograms |
| 1 kilograms ≡ 1.0 × 1021 attograms |