December 23, 2025, marks the 50th anniversary of the Metric Conversion Act, designed to bring US weights and measures in line with the rest of the world.

Former President Gerald Ford signed the Metric Conversion Act 50 years ago. However, he did not make metric adoption mandatory, and the efforts fell flat.

We’ll blame Thomas Jefferson. Oh, not entirely; there are more than 200 years’ worth of criticism to dole out. But in wondering why the United States is not entirely on the metric system, the blame ...

Scientists have approved the introduction of four new prefixes that can be applied to units of measurement in the metric system. When you purchase through links on our site, we may earn an affiliate ...

The sunflower is 214 cm tall. Calculate the height of the sunflower in metres and millimetres. There are 100 centimetres in a metre. \(214 \div 100 = 2.14 \text{m}\) There are 10 millimetres in a ...

If you know your U.S. history, there have been several attempts to adopt the metric system, all to no avail. It's the universal standard for most of the world and way more intuitive, yet the chances ...

If you’re from the US or are trying to understand American units of measure, there’s now an easier way to do that with Uniter. This is a new iPhone app that can convert measurements in real-time in ...