ʻO ka International System of Units (SI) ka ʻōnaehana hoʻohana maʻamau o nā ʻāpana no ke ana ʻana i nā nui kino. Hoʻohana ʻia ʻo SI ma ka hapa nui o nā ʻāina o ka honua a kokoke mau i ka ʻepekema.
Hāʻawi ka papa ma lalo i ka ʻike e pili ana i nā ʻāpana SI kumu 7: ka inoa a me ka inoa (a me English/International), a me ka waiwai i ana ʻia.
| inoa wae | hookohu | Waiwai i ana ʻia | ||
| Engl. | Engl. | |||
| Ka lua | Ka lua | с | s | manawa |
| mika | mika | м | m | Ka lōʻihi (a i ʻole ka mamao) |
| kilokilo | kilokilo | kg | kg | Weight |
| ampere | ampere | А | A | Ka ikaika o ka uila |
| Kelvin | Kelvin | К | K | Mahana wela Thermodynamic |
| Mole | mololo | mololo | mole | Huina waiwai |
| 'O Candela | ʻO Candle | cd | cd | Ka mana o ka malamalama |
'Ōlelo Aʻo: ʻOiai inā hoʻohana kekahi ʻāina i kahi ʻōnaehana ʻē aʻe, ua hoʻonohonoho ʻia kekahi mau coefficients no kāna mau mea, e ʻae iā lākou e hoʻololi i nā ʻāpana SI.