4.5-inch description bowl, the substantive unit is 4.5 inches. According to the unit conversion system:
1 inch = 2.54 cm.
4.5 inch bowl = 4.5 * 25.4cm =11.43cm.
It can be estimated that a 4.5-inch bowl can hold about 250ml of water. The sizes of eating bowls are generally 3.5 inches and 4.25 inches, and the larger ones are 4.5 inches and 5 inches.
Extended data:
Common sense about bowl life
A person concerned by the Health Supervision Office said that boiling water before meals can only provide psychological comfort, and it is difficult to achieve the effect of disinfection. For tableware, high-temperature boiling is indeed the most common disinfection method, and high-temperature disinfection can kill many germs. However, high-temperature disinfection must meet two conditions to achieve real results:
One is the action temperature and the other is the action time. Boiling a bowl with boiling water can only kill a few microorganisms, but not all pathogenic bacteria, because the action time is too short.
Cleaning method of bowl:
1, scrape off most food residues and dirt on the surface of the bowl.
2. Wash the bowl surface with detergent solution.
3. Finally, rinse off the residual detergent with clear water.
Baidu encyclopedia-inch
Reference source: Baidu Encyclopedia-Unit conversion
Baidu encyclopedia-bowl