Appendix 2: Measurement Factors
| Multiplication Factors | Prefix | SI Symbol | |
| 1 000 000 000 | = 109 | giga | G |
| 1 000 000 | = 106 | mega | M |
| 1 000 | = 103 | kilo | k |
| 100 | = 102 | hecto | h |
| 10 | = 101 | deka | da |
| 0.1 | = 10-1 | deci | d |
| 0.01 | = 10-2 | centi | c |
| 0.001 | = 10-3 | milli | m |
| 0.000 001 | = 10-6 | micro | ยต |
| 0.000 000 001 | = 10-9 | nano | n |
| 0.000 000 000 001 | = 10-12 | pico | p |
| Mass | |
| 1 tonne = 1 000 kg | |
| 1 kg = 1 000 g | |
| 1 g = 109 ng | 1 ng = 10-9 g |
| 1 g = 1012 pg | 1 pg = 10-12 g |