Mostly just tradition. People are used to the old system, so they don't want to change to unfamiliar metric, even though the conversions are easier.
cricket as they still use the word yard
Yes, the metric system is the most used system. Only a few countries out of many still use the Imperial system. Even in the USA, where the Imperial system is still in use, the scientific disciplines use the metric system because it is universal.
In the US, 16. Elsewhere (where the old Imperial system is still used) 20.
The two types of measurement systems are the metric system and the imperial system. The metric system is used worldwide and is based on units of ten, while the imperial system is primarily used in the United States and is based on historical British units.
The Imperial system
An imperial gallon used to be used in the United Kingdom and all Commonwealth nations. Even though these measures were superceded by the metric system, vestiges of this measuring system still exist. Primarily in cooking and fluid measures. Englishmen still visit the pubs for dragms and pints of their favorite beverages. These are measures related to the imperial gallon.
United States, Liberia and Myanmar (Burma) are the three countries that still use the imperial system. United Kingdom uses the imperial system for occasional things like weight, distance and beer sizes. Canada also uses some imperial system because of historical ties with UK, Canada used the Imperial System until the 1970s, opposition to the metric system, the proximity to US and the trade Canada does with the US.
that depends on whether you are using the US System or the Imperial System. in the US System a quart is two pints and a pint is 16 US fluid ounces, so 6 quarts is 192 US fluid ounces. In the Imperial System (used in the British Empire after 1824) a quart is still two pints, but a pint is 20 Imperial fluid ounces. So in the Imperial System 6 quarts is 240 Imperial fluid ounces. US fluid ounces are a little larger than Imperial fluid ounces.
Imperial.
The Imperial, or British system
No, South Africa follows the Metric system
Metric sockets are measured in millimeters while imperial sockets are measured in inches. Metric sockets are commonly used in countries that use the metric system, whereas imperial sockets are used in countries that use the imperial system. It's important to use the correct type of socket to match the measurement system of the fasteners being used.