Has 562 different units and 43 different dimensions:acceleration(22 different units), angle (17), area (24), change intemperature(4), cooking (28), data storage (16), density (16),electricalconductivity (14), electric charge (8), electric current(5),electric dipole (3), electric potential difference (3), energy(40),flow (volume) (22), force (16), frequency (8), fuelconsumption(14), illuminance (5), length / distance (30),luminance (8),luminous intensity (4), magnetic flux (2), magneticflux density(4), molar energy (7), molar heat capacity (2), molarmass (13),power / heat flow rate (34), pressure (28), radiation -absorbeddose (6), radiation - equivalent dose (2), radiation -exposure (2),radiation - source activity (3), specific heat (5),speed / velocity(14), temperature (7), thermal conductivity (8),time (20), torque(6), viscosity - dynamic (9), viscosity -kinematic (4), volume(71), volume - dry (7), weight / mass(36)