Which countries use mph?

Miles Per Hour: A Lingering Legacy of Imperial Influence

Miles per hour (mph) remains an enduring unit of speed despite the worldwide adoption of the metric system. Its persistence is primarily confined to the United Kingdom and the United States, two nations historically responsible for establishing the imperial measurement system. However, a handful of other countries, often with ties to the UK or US, still utilize mph.

Current Users of Miles Per Hour:

• United Kingdom
• United States

Additional Countries Using Miles Per Hour:

• Anguilla
• Antigua and Barbuda
• Bahamas
• Barbados
• Belize
• Bermuda
• British Virgin Islands
• Cayman Islands
• Cook Islands
• Dominica
• Grenada
• Guyana
• Jamaica
• Liberia
• Myanmar (Burma)
• Palau
• Saint Kitts and Nevis
• Saint Lucia
• Saint Vincent and the Grenadines
• Sudan
• Tonga
• Turks and Caicos Islands

Historical Background:

The imperial measurement system, including mph, originated in the United Kingdom during the 19th century. As the British Empire expanded, so too did the imperial system, becoming the standard in many of its colonies. The United States, having gained independence from the British, initially adopted the imperial system, but later switched to the metric system in the 20th century.

Continued Use in the UK and US:

In the UK and US, mph remains deeply ingrained in everyday usage. Road signs, speed limits, and weather forecasts all display speeds in mph. This is largely due to familiarity and the considerable time and cost involved in transitioning to the metric system.

Influence of Historical Ties:

The continued use of mph in smaller nations such as those in the Caribbean and South Pacific can be traced to their historical ties to the UK or US. These nations often inherited the imperial system during their colonial periods and have retained it to varying degrees.

Legacy of Imperial Measurement:

The persistence of mph in certain countries serves as a testament to the enduring influence of the UK and US on global measurement standards. The metric system, while widely adopted, has not completely displaced the imperial system, particularly in areas where historical connections remain strong.