И действительно, многие англичане лучше воспринимают исторически сложившиеся единицы измерений, а переход сам по себе отнял много времени и средств. Некоторые небольшие предприятия даже закрылись, так как не смогли заменить старое оборудование на новое. Всё же, несмотря на все эти проблемы, переход произошел.

После перехода на метрическую систему мер резко увеличились обороты торговли со всеми странами, использующими эту систему, если раньше торговый объем был не более 43%, то после перехода он постепенно поднялся и составил без малого 100%.

Постепенно меры английской системы вытесняются метрической системой мер.

Which other countries, besides the U.S., do not use the metric system?

According to a survey taken by USMA many years ago, the only other countries that have not officially adopted the metric system are Liberia (in western Africa) and Burma (also known as Myanmar, in Southeast Asia). These two countries did not have an official policy of converting to metric at the time of the survey. (Outside of what is shown on the chart, below, the details of that survey have been lost. However, since the original development of the chart, the information on Jamaica has been added. Note that the chart contains names of countries that changed names or were partitioned to be parts of other countries since that research was done.) Despite recent repeated inquiries to the governments of both countries, no official response from either country has been received as to whether a metric policy has been adopted since this survey was conducted. The Web sites of these countries utilize both inch-pound and metric units. Visitors to these countries report some evidence of the use of the metric system.
Most other countries have either used the metric system for many years, or have adopted the metric system within the last 30 or 40 years. There is controversy about how to define whether a country is metric. Metrication is a process that does not happen all at once, but is rather an evolutionary process that happens over time. The metric transition in some countries is given in detail below. Although nearly every country has taken steps to replace traditional measurements, the fact remains, that among countries with non-metric usage the U.S. is the only significant holdout.
The main point is that only a few smaller countries, including some Caribbean countries heavily influenced by the U.S., have not formally mandated the use of SI. However, even in these countries, SI is used to some extent. And, use of the metric system in the U.S. is ever growing, especially linked with the wider acceptance of global standards which are mostly in metric measurements. Just as English has become the global language of commerce, the metric system has become the global language of measurement. Thus the phrase heard more and more:
«Speak in English, and Measure in Metric.»