| troy ounce | 1 oz t | 2 oz t | 3 oz t | 4 oz t | 5 oz t | 6 oz t | 7 oz t | 8 oz t | 9 oz t | 10 oz t | 11 oz t | 12 oz t | 13 oz t | 14 oz t | 15 oz t | 16 oz t | 17 oz t | 18 oz t | 19 oz t | 20 oz t | 21 oz t | 22 oz t | 23 oz t | 24 oz t | 25 oz t | 26 oz t | 27 oz t | 28 oz t | 29 oz t | 30 oz t | 31 oz t | 32 oz t | 33 oz t | 34 oz t | 35 oz t | 36 oz t | 37 oz t | 38 oz t | 39 oz t | 40 oz t | 41 oz t | 42 oz t | 43 oz t | 44 oz t | 45 oz t | 46 oz t | 47 oz t | 48 oz t | 49 oz t | 50 oz t | 51 oz t | 52 oz t | 53 oz t | 54 oz t | 55 oz t | 56 oz t | 57 oz t | 58 oz t | 59 oz t | 60 oz t | 61 oz t | 62 oz t | 63 oz t | 64 oz t | 65 oz t | 66 oz t | 67 oz t | 68 oz t | 69 oz t | 70 oz t | 71 oz t | 72 oz t | 73 oz t | 74 oz t | 75 oz t | 76 oz t | 77 oz t | 78 oz t | 79 oz t | 80 oz t | 81 oz t | 82 oz t | 83 oz t | 84 oz t | 85 oz t | 86 oz t | 87 oz t | 88 oz t | 89 oz t | 90 oz t | 91 oz t | 92 oz t | 93 oz t | 94 oz t | 95 oz t | 96 oz t | 97 oz t | 98 oz t | 99 oz t | 100 oz t |
| attogram | 3.11034768 × 1019 ag | 6.22069536 × 1019 ag | 9.33104304 × 1019 ag | 1.244139072 × 1020 ag | 1.55517384 × 1020 ag | 1.866208608 × 1020 ag | 2.177243376 × 1020 ag | 2.488278144 × 1020 ag | 2.799312912 × 1020 ag | 3.11034768 × 1020 ag | 3.421382448 × 1020 ag | 3.732417216 × 1020 ag | 4.043451984 × 1020 ag | 4.354486752 × 1020 ag | 4.66552152 × 1020 ag | 4.976556288 × 1020 ag | 5.287591056 × 1020 ag | 5.598625824 × 1020 ag | 5.909660592 × 1020 ag | 6.22069536 × 1020 ag | 6.531730128 × 1020 ag | 6.842764896 × 1020 ag | 7.153799664 × 1020 ag | 7.464834432 × 1020 ag | 7.7758692 × 1020 ag | 8.086903968 × 1020 ag | 8.397938736 × 1020 ag | 8.708973504 × 1020 ag | 9.020008272 × 1020 ag | 9.33104304 × 1020 ag | 9.642077808 × 1020 ag | 9.953112576 × 1020 ag | 1.0264147344 × 1021 ag | 1.0575182112 × 1021 ag | 1.088621688 × 1021 ag | 1.1197251648 × 1021 ag | 1.1508286416 × 1021 ag | 1.1819321184 × 1021 ag | 1.2130355952 × 1021 ag | 1.244139072 × 1021 ag | 1.2752425488 × 1021 ag | 1.3063460256 × 1021 ag | 1.3374495024 × 1021 ag | 1.3685529792 × 1021 ag | 1.399656456 × 1021 ag | 1.4307599328 × 1021 ag | 1.4618634096 × 1021 ag | 1.4929668864 × 1021 ag | 1.5240703632 × 1021 ag | 1.55517384 × 1021 ag | 1.5862773168 × 1021 ag | 1.6173807936 × 1021 ag | 1.6484842704 × 1021 ag | 1.6795877472 × 1021 ag | 1.710691224 × 1021 ag | 1.7417947008 × 1021 ag | 1.7728981776 × 1021 ag | 1.8040016544 × 1021 ag | 1.8351051312 × 1021 ag | 1.866208608 × 1021 ag | 1.8973120848 × 1021 ag | 1.9284155616 × 1021 ag | 1.9595190384 × 1021 ag | 1.9906225152 × 1021 ag | 2.021725992 × 1021 ag | 2.0528294688 × 1021 ag | 2.0839329456 × 1021 ag | 2.1150364224 × 1021 ag | 2.1461398992 × 1021 ag | 2.177243376 × 1021 ag | 2.2083468528 × 1021 ag | 2.2394503296 × 1021 ag | 2.2705538064 × 1021 ag | 2.3016572832 × 1021 ag | 2.33276076 × 1021 ag | 2.3638642368 × 1021 ag | 2.3949677136 × 1021 ag | 2.4260711904 × 1021 ag | 2.4571746672 × 1021 ag | 2.488278144 × 1021 ag | 2.5193816208 × 1021 ag | 2.5504850976 × 1021 ag | 2.5815885744 × 1021 ag | 2.6126920512 × 1021 ag | 2.643795528 × 1021 ag | 2.6748990048 × 1021 ag | 2.7060024816 × 1021 ag | 2.7371059584 × 1021 ag | 2.7682094352 × 1021 ag | 2.799312912 × 1021 ag | 2.8304163888 × 1021 ag | 2.8615198656 × 1021 ag | 2.8926233424 × 1021 ag | 2.9237268192 × 1021 ag | 2.954830296 × 1021 ag | 2.9859337728 × 1021 ag | 3.0170372496 × 1021 ag | 3.0481407264 × 1021 ag | 3.0792442032 × 1021 ag | 3.11034768 × 1021 ag |
One troy ounce (oz t) is equal to 31.103 476 8 grams. Also equal to 1.097 142 86 avoirdupois ounces, exactly 192⁄175, or about 10% larger.
| 1 troy ounces = 3.11034768E+19 attograms | 11 troy ounces = 3.421382448E+20 attograms |
| 2.5 troy ounces = 7.7758692E+19 attograms | 12.5 troy ounces = 3.8879346E+20 attograms |
| 4 troy ounces = 1.244139072E+20 attograms | 14 troy ounces = 4.354486752E+20 attograms |
| 5.5 troy ounces = 1.710691224E+20 attograms | 15.5 troy ounces = 4.821038904E+20 attograms |
| 7 troy ounces = 2.177243376E+20 attograms | 17 troy ounces = 5.287591056E+20 attograms |
| 8.5 troy ounces = 2.643795528E+20 attograms | 18.5 troy ounces = 5.754143208E+20 attograms |
| 10 troy ounces = 3.11034768E+20 attograms | 20 troy ounces = 6.22069536E+20 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 = 3.2150746568628E-20 troy ounces | 11 attograms = 3.5365821225491E-19 troy ounces |
| 2.5 attograms = 8.037686642157E-20 troy ounces | 12.5 attograms = 4.0188433210785E-19 troy ounces |
| 4 attograms = 1.2860298627451E-19 troy ounces | 14 attograms = 4.5011045196079E-19 troy ounces |
| 5.5 attograms = 1.7682910612745E-19 troy ounces | 15.5 attograms = 4.9833657181373E-19 troy ounces |
| 7 attograms = 2.250552259804E-19 troy ounces | 17 attograms = 5.4656269166668E-19 troy ounces |
| 8.5 attograms = 2.7328134583334E-19 troy ounces | 18.5 attograms = 5.9478881151962E-19 troy ounces |
| 10 attograms = 3.2150746568628E-19 troy ounces | 20 attograms = 6.4301493137256E-19 troy ounces |
| 1 troy ounces = 3.11034768 × 1019 attograms |
| 1 attograms = 3.2150746568628 × 10-20 troy ounces |