The Panglify Blog
Clear, carefully researched explainers on units, measurement and the numbers behind everyday life, each one linked to a free converter so you can try it yourself.
Latest article

Why Does a 1 TB Drive Show Only 931 GB? Decimal vs Binary Storage Explained
Nothing is missing from your new drive. Makers count in decimal terabytes and Windows counts in binary gibibytes, and the difference grows with every prefix.
Read the articleAll articles

Metric vs imperial: why the US still uses inches, pounds and Fahrenheit
America's inches and pounds have been defined by the meter and kilogram since 1893. Here is why the switch was never finished, how US and UK units differ, and how to convert with confidence.
Read article →
Dry vs liquid measuring cups: why a cup of flour isn't 8 ounces
A cup marked 8 oz holds 8 fluid ounces of volume, but a cup of flour weighs only about 4.2 ounces. Here is why, and how to switch your recipes to grams.
Read article →Put it to work
Popular converters
The tools our readers use most, all free and exact.