Iyo International System of Units (SI) ndiyo inonyanya kushandiswa sisitimu yezvikamu zvekuyera huwandu hwemuviri. SI inoshandiswa munyika zhinji dzepasi uye dzinenge nguva dzose musainzi.
Tafura iri pazasi inopa ruzivo pamusoro pezvikamu zvinomwe zveSI: zita uye dhizaini ( uye Chirungu/International), pamwe nekuyerwa kukosha.
| Zita reyuniti | sarudzo | Yakayerwa kukosha | ||
| Engl. | Engl. | |||
| Chepiri | Chepiri | с | s | nguva |
| Meter | mita | м | m | Urefu (kana kureba) |
| kilogram | kilogram | kg | kg | uremu |
| Ampere | Ampere | А | A | Kusimba kwemagetsi |
| Kelvin | Kelvin | К | K | Thermodynamic tembiricha |
| Mole | at the mole | at the mole | at the mole | Huwandu hwezvinhu |
| Candela | kanduru | cd | cd | Simba rechiedza |
Cherechedza: Kunyange kana nyika ikashandisa imwe nzira, mamwe macoefficients akagadzirirwa zvinhu zvayo, achivabvumira kuchinjwa kuva maSI mayuniti.