The answer process is as follows:

(1)1000g =1kg = 2kg (this is the conversion relationship between kg and kg).

(2) 1g = 2/1000 = 0.002 kg ... (We know here that 1000g = 2kg, and we need to divide it. Divide both sides of the equation by 1000 at the same time to get the result. )

Extended data:

Modern Gold has the following conversion to metric system according to local usage habits:

1. Chinese mainland 1 kg equals 500 grams (g).

2. Hong Kong and Macao 1 kg is about 605(g).

3. Taiwan Province Province 1 kg is equal to 600 grams (g).

At present, the law in Hong Kong stipulates that one kilogram is equal to 1% kilogram or 16 taels, that is, 604.982 grams (g).

References:

Baidu encyclopedia-branch