There are seven base SI units; all other units are derived from these:
Base Quantity | Symbol> | Name | Symbol |
---|---|---|---|
length | l | meter | m |
mass | m | kilogram | kg |
time | t | second | s |
electric current | I | ampere | A |
thermodynamic temperature | T | kelvin | K |
amount of substance | lv | mole | mol |
luminous intensity | n | candela | cd |