kg

kg — 縮寫

1. a short written form of 'kilogram', the standard metric unit used for measuring

1.縮寫A1
釋義

公斤

公斤（kilogram 的縮寫）

a short written form of 'kilogram', the standard metric unit used for measuring weight: one kg equals one thousand grams.

例句

Dewi's baby weighed 3.8 kg when she was born at the clinic.

Dewi 的寶寶在診所出生時體重 3.8 公斤。

[number] + kg for reporting a measurement

Bilal put 2 kg of tomatoes and a bag of rice into his basket.

Bilal 把 2 公斤的番茄和一袋米放進他的購物籃裡。

kg + of + [noun] for quantities of items

文法句型

[number] + kg

kg + of + [noun]

用法筆記

kg is written without a space between the number and the abbreviation in most styles (e.g., 5 kg). It stays the same in plural — you write 10 kg, not 10 kgs. In formal writing, the full word 'kilogram' is often preferred; kg is common on labels, receipts, and everyday notes.

常見錯誤

❌The bag weighs 5 kgs.
✅The bag weighs 5 kg.
💡kg is an abbreviation, not a plural noun; it does not add an -s.
❌The limit is 23 KG per suitcase.
✅The limit is 23 kg per suitcase.
💡The abbreviation kg is normally written in lowercase, not all caps.