∵ The density of water is 1

∴ 1L water is converted into ml 1000ml.

∴ 1L The mass of water is1000×1=1000g.

One liter of water = one kilogram

∴ One liter of water = two catties = one kilogram

Extended data:

L is expressed as L in the international system of units, and its secondary unit is mL. The conversion relationship between liter and other volume units is:

1l = 1 000 ml = 0.001cubic meter =1cubic decimeter = 1000 cubic centimeter.

One liter = 1000 ml, one gallon (US) ? 3785.41784 ml, one gallon (UK) ? 4546.09188 ml.

In addition, one liter in Korea is about 1800 ml, and one liter in Japan is about 1803.9 ml.

Cross conversion: one liter ≈0.26 gallon (US) and one liter ≈0.22 gallon (UK).

On Sui Shu's Law Calendar: Wei Chen stayed with Wang Jingyuan for four years, and Liu Hui commented on Nine Chapters of Business Merit: "Today, the diameter of the big Si Nong Hu circle is one foot, three inches, five minutes and five centimeters, one foot deep, and the product is three tenths of 1,441 inches. Wang Mang's copper hooves are nine inches, five minutes and five centimeters deep and one foot, three inches, six minutes, eight cents and seven cents in diameter. Based on the emblem technique, it is strange to welcome nine fights, seven liters and four combinations today.