| Name | Symbol | Multiplying factor |
|---|---|---|
| quettagram | Qg | 1030 |
| ronnagram | Rg | 1027 |
| yottagram | Yg | 1024 |
| zettagram | Zg | 1021 |
| exagram | Eg | 1018 |
| petagram | Pg | 1015 |
| teragram | Tg | 1012 |
| gigagram | Gg | 109 |
| megagram | Mg | 106 |
| kilogram | kg | 103 |
| hectogram | hg | 102 |
| decagram | dag | 101 |
| gram | g | 100 |
| decigram | dg | 10−1 |
| centigram | cg | 10−2 |
| milligram | mg | 10−3 |
| microgram | µg | 10−6 |
| nanogram | ng | 10−9 |
| picogram | pg | 10−12 |
| femtogram | fg | 10−15 |
| attogram | ag | 10−18 |
| zeptogram | zg | 10−21 |
| yoctogram | yg | 10−24 |
| rontogram | rg | 10−27 |
| quectogram | qg | 10−30 |