| unit name | unit use | unit symbol | conventional base | ultimate base | | Meter | length | m | m | m |
| Second | time | s | s | s |
| Kilogram | mass | kg | kg | kg |
| Ampere | electric current | A | A | A |
| Kelvin | temperature | K | K | K |
| Mole | amount | mol | mol | mol |
| Candela | luminous intensity | cd | cd | cd |
| Newton | force | N | kg.m.s^-2 | kg.m.s^-2 |
| Hertz | frequency | Hz | s^-1 | s^-1 |
| Sievert | ionizing radiation | Sv | J.kg-1 | m^2.s^-2 |
| Pascal | pressure | Pa | kg.m^-1.s^-2 | kg.m^-1.s^-2 |
| Joule | energy | J | N m | kg.m^2.s^-2 |
| Watt | power | W | J.s^-1 | kg.m^2.s^-3 |
| Coulomb | electric charge | C | A.s | A.s |
| Volt | potential difference | V | W.A^-1 | m^2.kg^2.A^-1.s^-3 |
| Ohm | electric resistance | Ω | V.A^-1 | m^2.kg^2.A^-2.s^-3 |