Appendix seven
International system of units (SI)
PREFIXES
| PREFIX | FACTOR | SIGN | PREFIX | FACTOR | SIGN |
| milli | x10¯³ | m | kilo | x10³ | k |
| micro | x10¯6 |  µ |
mega | x106 | M |
| nano | x10¯9 | n | giga | x109 | G |
| pico | x10¯¹² | p | tera | x10¹² | T |
BASE UNITS
| UNIT | SYMBOL | MEASUREMENT |
| meter | m | length |
| kilogram | kg | mass |
| second | s | time |
| ampere | A | electric current |
| kelvin | K | temperature |
| mole | mol | amount of substance |
| candela | cd | luminous intensity |
COMMON DERIVED UNITS
| UNIT | SYMBOL | MEASUREMENT |
| newton | N | force |
| joule | J | energy, work |
| hertz | Hz | frequency |
| pascal | Pa | pressure |
| coulomb | C | quantity of electric charge |
| volt | V | electrical potential |
| ohm | W | electrical resistance |
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