A quick summary of where metric and imperial measurement systems are used today. For the full comparison, see Metric vs Imperial.
| System | Where It’s Used |
|---|---|
| Metric | The primary system in most countries worldwide, and the standard for science and medicine everywhere, including the US |
| Imperial / US Customary | Still standard in everyday consumer life in the United States (miles, pounds, Fahrenheit, gallons) |
See all Converters for converting between metric and imperial units.
Converters
The United States is the main example still using imperial units in everyday life. Most other countries have officially adopted the metric system.
Yes. Metric units are standard in US science, medicine, and many manufacturing and military contexts. Imperial units mainly persist in everyday consumer contexts.
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