50 years after the Metric Conversion Act the U.S. is still stuck in the past using inches, pounds and gallons

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

KS2 Maths teaching resources: Metric and imperial measurements

KAYLA: Let’s build the new hover train system from the city to the beach. ZACH: Yeah, they are 20 kilometres apart. KAYLA: Great, so we can make the tracks 20 miles long.Ta-da!Oh, what?That looks way ...
WWNO

50 years since Metric Conversion Act: What went wrong?

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.
The Sun

How many kilograms in a stone and how many ml in a pint? Imperial to metric conversion explained

Using both the imperial and metric system for measuring and weighing can cause confusion THE imperial and metric systems can often cause confusion when it comes to taking measurements. Here’s why we ...
BBC

Choosing appropriate units and converting between units

Before measuring something, it is important to know which unit to use. Estimating its approximate size by comparing it with a more familiar object can help. In order to find a suitable unit of measure ...