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.

BMI formula on paper, with calculator

BMI formula - how to calculate 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...

Two men measuring a floor

How to measure for a new floor

When it's time to get new flooring fitted, excitement can sometimes be mixed with dread. Daunting prospects include moving all the furniture out (and thereby discovering exactly what’s been lurking behind the couch for 10 years), but before even that, there is the measuring up to do...

Dice with fractions being held in hand

How to add, subtract, multiply and divide fractions

While some people might be breathing deeply into a paper bag at the thought of calculating with fractions, if you understand each step and why it's necessary, it can become a piece of cake. Or 1/6 of a cake, if you like. Something to remember: Whether you're adding, subtracting, multiplying or divid...

tape measure

How to calculate cubic feet

It's not an everyday problem, but there will be times when you need to calculate the capacity of something. Instead of staring blankly into the trunk of your car, getting a tension headache trying to find the biggest bathtub, or weeping when confronted by the decision over buying a new fridge-freeze...

Customer making a credit card payment

Should you pay in local currency or home currency when abroad?

Travelling abroad can be many things (relaxing / hilarious / romantic / messy / traumatic / The Absolute Worst - delete based on stage of life and number of family members accompanying), but rarely can it ever be described as cheap. Last time you went on vay-cay, you spent a week eating and drinking...

Is a kilobyte 1,000 or 1,024 bytes?
To coincide with the launch of my data storage converters and data transfer rate converters I thought we'd take a look at the subject of kilobyte size in today's article. Here's Ron Bright to explain...Most of us are familiar with the meaning of the prefix "kilo" in reference to mea...

The gambler's fallacy - explained
As we saw in our article on the basics of calculating chance and the laws of probability, there is a naive and logically incorrect notion that a sequence of past outcomes shapes the probability of future outcomes.Essentially, The Gambler's Fallacy is the misconception tha...

How to save money as a student
University can be one of the most exciting times of your life, but also one of the most expensive. Get it wrong and you could be graduating with an enormous debt to go with your degree. According to a 2016 report by the Sutt...

How long is a light-year?
Exactly how long is a light-year? No, this isn't a trick question, but many people might think so. Unlike what the phrase may suggest at first glance, light-year isn't a measure of time - it's a measure of distance. The proper definition of a light-year would be "the distance light travels in a year...

How fast is the speed of light?
The speed of light is something that every student will have heard about, perhaps in school or maybe in popular culture (Star Wars anyone?) but many will not fully understand. It seems incredibly complicated and incomprehensible but, quite simply, it is the speed at which light travels...

Other featured articles

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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.