China uses metric system in weights and measures, but many people are still using traditional Chinese system which is more commonly applied in markets.
The following conversion table between the old Chinese system, metric system and the other Western systems is made for your easy use.
| Metric System | Traditional Chinese System | British-American System | |
| Units of Length | 1 kilometer(1,000 meters) | 2 li | 0.621 mile |
| 1 meter | 3 chi | 3,281 feet; 1.094 yards | |
| 0.1 meter | 3 cun | 0.328 foot; 0.109 yard | |
| 1 centimeter | 3 fen | 0.394 inch | |
| Units of Area | 1 square kilometer | 4 square li;1,500 mu | 0.386 square mile;100 hectares; 247.1 acres |
| 1 square meter | 9 square chi | 10.764 square feet;1.196 square yards | |
| Units of Weight | 1 kilogram | 2 jin | 2.205 pounds |
| 50 grams | 1 liang | 0.110 pound | |
| 0.454 kilogram | 0.907 jin | 1 pound | |
| Units of Capacity | 1 liter | 1 sheng | 1.760 pints0.220 gallon |
| 4,546 liter | 4.546 sheng | 1 gallon |