Milliliters and kilograms are not directly equivalent. Milliliters are units of volume and kilograms are units of weight.
Milliliter is a unit of volume, corresponding to cubic centimeters. The main unit of volume unit is liter (L). 1L=1000mL, 1ml=1 cubic centimeter, 1000ml=1 cubic decimeter=1L.
"jin" is also used as the mass unit of "jin": the market system is one to ten taels (one catty in the old system is sixteen taels?), and two catties are equal to one kilogram.
Extended information
Conversion relationship between weight units:
(1) 1 ton = 1,000,000 grams.
(2) 1 kilogram = 1,000 grams.
(3) 1 mg = 0.001 g.
(4) 1 microgram = 0.000 001 grams.
The modern kilogram is converted to the metric system as follows according to local usage habits:
(1) One kilogram in Hong Kong and Macau is approximately equal to 605 (g).
(2) One pound in Taiwan is equal to 600 grams (g).
(3) Current Hong Kong law stipulates that one pound is equal to one hundredth of a quintal or sixteen taels, that is, 604.78982 grams (g).