Guides & articles
Clear, practical explainers about units of measurement and how to convert them right.
Metric vs Imperial: A Practical Guide
Why most of the world uses metres and kilograms while a few countries still count in feet and pounds — and how to move between the two without mistakes.
Temperature Scales: Celsius, Fahrenheit, Kelvin
Temperature does not convert like length. Learn why it needs an offset, not just a multiplier, and how the three common scales relate.
Data Units: KB vs KiB, and Why Disks Look Smaller
A "1 TB" drive shows up as roughly 931 GB — because there are two competing definitions of the kilobyte. How binary and decimal units differ.
Cooking Conversions: Cups, Grams and Millilitres
Recipes mix volume and weight, cups and grams, US and metric. Here's how to convert kitchen measurements — and why weighing beats scooping.
Speed & Distance Units: km/h, mph, knots and m/s
Cars use km/h or mph, ships and planes use knots, physics uses m/s. Here's how the common speed units relate and how to convert them.
How Unit Conversion Actually Works
Behind every converter is one idea: express everything in a base unit, then scale. Here's the method — and the cases where it needs an extra step.