| Term | Definition |
| kilo | prefix meaning 1000 times the base |
| k | symbol for kilo |
| centi | prefix meaning .01 of the base |
| c | symbol for centi |
| deci | prefix meaning .1 of the base |
| d | symbol for deci |
| m | symbol for milli |
| milli | prefix meaning .001 of the base |
| meter | the base unit for measuring length |
| m | symbol for meter |
| gram | the base unit for measuring mass |
| g | symbol for gram |
| liter | the base unit for measuring volume |
| L | symbol for liter |
| 10 mm | number of mm in 1 cm |
| 1000 mm | number of mm in 1 m |
| 1000 m | number of m in 1 km |
| 100 cm | number of cm in 1 m |
| km | symbol for kilometer |
| mm | symbol for millimeter |
| dm | symbol for decimeter |
| cm | symbol for centimeter |
| kg | symbol for kilogram |
| kL | symbol for kiloliter |
| SI | International System of Units |