Calculators and Converters

How Many Steps Are In a Mile?

Before we look at figures for the number of steps in a mile, I need to state the obvious: The answer to this question can vary greatly depending on the size of your stride. A stride for a 7ft tall runner will be very much longer than that of a 4ft tall person of shorter stature enjoying a casual wal...

PEMDAS Explained - How Does PEMDAS Work?

PEMDAS is a mnemonic acronym for the order of operations in math: parentheses; exponents; multiply or divide; add or subtract. When there are several operations in a single expression, it's important to calculate them in the proper order (parenthesis first, exponents second.....

Compound Interest Formula - Explained

An in-depth look at the compound interest formula as we break down how to calculate compound interest. The concept of compound interest is that interest is added back to the principal sum so that interest is earned on that added interest during the next compounding period.

How To Measure Your Waist

Whether you're ordering clothes online, monitoring your weight, or designing a bespoke bucket chair for your space-shuttle to the moon (look, the world is on fire; it's OK to have a plan B), you need to be able to measure your body accurately. Here's how to get the digits for your waist.