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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.


The definition of a metre

Meters And Metres - What's With The Spelling?

"Your music sucks," you screamed at your parents as you scoffed at their Beatles records and played Duran Duran at full volume.The younger generation always wants to improve on the past, making their own mark on the world."Your spelling is SO STUPID!" America hollered down the stairs at its lame old...


Tape measure

How Many Feet Are In a Metre?

Today we're going to look at the conversion of metres to feet. Both of these are units of length. The metre is the base unit in the International System of Units and is equal to the distance travelled by light through a vacuum in 1/299,792,458 seconds...


A set of kitchen measuring scales

Cooking Weights And Measures Guide

Whenever working with a recipe, there's always an uneasy tension between precision and usability. The measures that are reasonably accessible (spoons, cups, etc.) are easy to use but give rise to uneasy doubts as to whether one is really using the right amount of the ingredient...


Investment value graph rising

Future Value Formula - Explained

As part of the development of my compound interest calculator, I incorporated the ability to include additional monthly deposits and deductions in calculations. In my earlier article discussing the compound interest formula, I featured a formula for the future value of a series...


VE Day announcement in 1945

How Many Days Since...?

To coincide with the launch of my new days between dates calculator, I thought we would take a look at the number of days since some of the most important events in our history took place. The 'days between dates calculator' allows you to work out the number of days, weeks and months since (or to) a...


How Many Weeks Are In a Year?
Any impatient soul counting down to their next birthday, annual holiday or festival is going to need 52 weeks' worth of patience, because that's the length of a complete year. A normal year has 365 days, which, when divided by 7 (Monday,...

How Many Grams Are In a Cup?
Are you a 'cup half-full' or a 'cup half-empty' kind of person? Hopefully, you're the former, because it's going to take some patience, hope and determination to get to grips with the ludicrous concept that is the concept of cooking with measuring cups...

How Much Is a TRILLION?
In a previous article we discussed how much a billion is. It has proven to be a very popular topic. And so we thought - why not feature an article about the next big number up? Here is the result as, in today's article, Becky Kleanthous discusses the trillion...

How Many Tablespoons Are In a Cup?
Today we turn our attention to cooking measurements and, specifically, this question from Kelly: "I'm baking a cake using a cookbook recipe and would like to know how many tablespoons there are in a cup? It seems that a cup and tablespoon have different sizes depending on where in the world you are?...

How Much Is a BILLION?
Hey there! We've got some good news and some bad news for you. Let's do the good news first, shall we? If you've stumbled across this page when trying to make sense of the numbers in your great-aunt Mildred's inheritance, then prepare to start cackling maniacally and rubbing your hands together like...



Other featured articles


If you have any finance articles or interesting articles on units that you would like to submit for consideration for future publishing, please submit them via the form on this page.

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.