I consider myself pretty conversant in metric units. I know that 20 kilograms is 44 pounds (double it and add 10%) and that five kilometers is a little over three miles (I’ve, uh, run a lot of 5Ks).

Celsius being widely used across the world and Fahrenheit is more common in the United States. To convert a Celsius temperature to Fahrenheit, a formula is used which multiplies the Celsius ...

Two temperature scales, centigrade and Fahrenheit, are in common use in meteorology. Most nations use the centigrade scale, but Fahrenheit remains in use in the United States. The boiling point of ...

Hot and cold are measured using a numeric scale called temperature. Temperature scales are how we communicate about the weather, measure safety and comfort and explain the physical world. Using ...

Oh, America. You do so confuse the rest of the world, with your “pounds per square inch” and “cups”, instead of sensible ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...