Pêng-hong kong-lí
Pêng-hong-kong-lí (kì-chò km²), kin-kù Kok-chè Tan-ūi Hē-thóng (SI) ê 1-ê ki-pún tan-ūi (m) tō--chhut-lâi ê bīn-chek tōa-sè.
1 km² siong-tong sī:
- lióng-pêng lóng-sī 1 kong-lí tn̂g ê chiàⁿ-sì-kak-hêng.
- 1,000,000 m²
- 100 kong-khéng
- 302500 Phêng
- 0.386102 pêng-hong-mai
- 247.105 381 Eng-bó· (acre)
Tò-sǹg tńg-lai:
- 1 m² = 0.000001 km²
- 1 kong-khéng = 0.01 km²
- 1 Phêng = 0.0000033058 km²
- 1 pêng-hong-mai = 2.589988 km²
- 1 Eng-bó· ≈ 0.004047 km²