Featured articles

This section of The Calculator Site contains interesting articles about finance, currency as well as instructional 'how to' features on converting between units.

A pedometer looking up the number of steps

How Many Steps Are In a Mile?

Before we look at figures for the number of steps in a mile, please allow me 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 c...

PEMDAS question

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.....

Diagram of feet and cubic yards

How Many Cubic Feet Are In a Yard?

Are you wondering how to measure a cubic yard or how many cubic feet there are in a yard? Wonder no longer, here's what you need to know...1 cubic yard = 27 cubic feetExplanation and diagramsA foot is 12 inches long, making it exactly a third of a yard...

Pie chart percentage

Profit Margin Formula - Explained

The profit margin formula is a way of calculating what percentage of sales revenue remains as true profit, after all costs and expenses are accounted for. Profit margin is also sometimes known as gross profit ratio or return on sales ratio. Obviously, the higher the percentage, the healthier the com...

BMI formula on paper, with calculator

How To Calculate Your BMI

Body mass index is a measure of body fat and is commonly used within the health industry to determine whether your weight is healthy. BMI applies to both adult men and women and is the calculation of body weight in relation to height. This article delves into the BMI formula and shows you how to cal...

BODMAS Explained - Order Of Mathematical Operations
When you're given a sum has two numbers and one operator, calculating an answer seems straight forward (25 × 3 = 75). But, what happens if someone throws in a couple more numbers and operators: (5 + 25 × 3 − 2 = .....)? Which part do you do first? Thankfully, there is a set of...

How Big Is An Acre? Explained
Today we're going to look at the acre - a unit of area commonly used for measuring tracts of land.Let me begin with a question. Did you know that during the Middle Ages, an acre was defined as the amount of land ploughable in one day by one man and an ox? Not very specific, then - especially if your...

How Many Beers Are In a Keg?
The chances are you've arrived at this page trying to do some research for an upcoming party, wedding or other event that's going to involve a lot of people. In which case, you're likely to be wondering how many kegs you need to order to satisfy your crowd of beer-thirsty compadres...

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...

How To Measure Your Hips
In a previous article we covered how to measure your waist and discussed how useful it is to know your waist size. Similarly, hip measurements can be really useful for fitting clothes, monitoring weight changes and assessing WHR (waist-to-hip ratio). So, let's take a look at the process for meas...

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Featured article

The history of the calculator

Photo of abacus

From abacus to iPad, learn how the calculator came about and developed through the ages. Read our featured article.