Kok-chè Tan-ūi Hē-thóng
(Tùi International System of Units choán--lâi)
Kok-chè Tan-ūi Hē-thóng (SI, Hoat-gí Système International d'Unités) sī siāng chia̍p iōng ê tan-ūi hē-thóng.
SI ū 7 ê ki-pún tan-ūi:
- kong-chhioh (m) - niû tn̂g-té
- kong-kun (kg) - niû chit-liōng (chhìn tāng)
- bió/biáu (s) - niû sî-kan
- an (ampere) (A) - niû tiān-liû
- kelvin (K) - niû un-tō·
- mole (mol) - niû mi̍h ê gia̍h
- candela (cd) - niû kng-tō·
SI mā u ki-pún derived tan-ūi (Eng-gí: basic derived units).
Siong-koan ê bûn-chiuⁿ
siu-káiGōa-pō· liân-kiat
siu-kái- Bureau International des Poids et Mesures - hoa̍t-lo̍h ê ki-kò·