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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.

suitcase with model plane on top

Airline Baggage Weight - Why Does It Matter?

Why do airlines obsess over every kilogram in your suitcase, whilst Boeing 747s can literally carry space shuttles? This deep dive into aviation physics reveals some surprising - and slightly disturbing - truths about baggage limits, passenger weight, and airline economics...

Writing notes

How to Write Feet and Inches

There are two popular ways of writing feet: the abbreviation “ft.” or the single apostrophe (′). Inches can be represented using “in.” or with a double apostrophe (″). As an example, five feet, ten inches could be written as 5 ft. 10 in or 5′10″...

A man walking around the world

How Long Would it Take to Walk Around the World?

Do you have a fully charged cell phone, some sturdy walking shoes and a really big bottle of water? Great. You'll be home in a mere matter of months, though exactly how long it takes to walk around the world will depend on a couple of factors...In which direction are you walking around the world?T...

One hundred trillion Zimbabwe dollars

How Much is a TRILLION?

Ever wondered just how massive a trillion really is? It's a number so large that most of us can't truly grasp its scale. A trillion is one million million (or one thousand billion) and has twelve zeroes: 1,000,000,000,000.Here's a mind-bending way to think about it: if you owned a trillion dollars a...

The abacus

The History Of The Calculator

If you need an illustration of the accelerating speed of technological change, look no further than the electronic calculator, that modest little device that does the most complex sum instantly and that you hold in the palm of your hand. Or more likely don't anymore.....

How Many Miles is 10,000 Steps?
For an individual of average height, 10,000 steps equate to around 4 ½ miles of walking, or 6 miles of running. Such a person has an average stride length of between 2.1 to 2.5 feet, meaning they take approximately 2,250 steps to walk a mile.To gain a more accurate me...

What is a Dash, Pinch, Smidgen and Nip?
A dash of this, a pinch of that - they're terms we've all seen in recipes. What exactly do they mean, though?Old-fashioned measurements explainedThese measurements don't have precise, fixed definitions, but there is a general consensus amongst baking experts about what they mean...

Saving Tips for Young People
As I look back to my younger years, I remember finding it difficult to decide on an effective saving strategy and to know how much money I should be putting aside. There were items I wanted to save for and buy, and I had to weigh up the benefits of setting aside more money for them against short-ter...

How Much Does a Cubic Yard Weigh?
One cubic yard of topsoil commonly weighs between 2,000 and 2,700 pounds, depending on composition and moisture content. Likewise, one cubic yard of sand commonly weighs between 2,700 and 3,300 pounds.The exact weight of a cubic yard of material depends on the specific material being measured...

How Much Does a Gallon of Water Weigh?
One US gallon of water weighs around 8.33 pounds or 3.78 kilograms at room temperature. The precise weight of water varies according to its level of density, which in turn depends on its storage temperature.You can learn more about the weight of water - and try out our water weight calculator and re...


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