Calculators and Converters

Choose from a multitude of free financial calculators, imperial to metric converters, math calculators, health calculators and other useful tools for general use.

Whether you're looking to work out a loan repayment schedule, work out the compound interest on your savings or plan for retirement, the financial calculators are there to assist you. In addition, you can find a huge variety of different metric converters and a growing collection of math and health calculators. Please select a calculator or converter from the top menu or the selection below:

Sugar on teaspoon

The Misrepresentation Of Teaspoons Of Sugar In The Media

In a previous article, we looked at how many grams of sugar there are in a teaspoon. I was recently contacted by food scientist Malcolm Reeves and we discussed how teaspoons of sugar are commonly misrepresented in the media.There has been an abundance of sugar infographics on health websites, e...

A selection of LED light bulbs

LED Light Bulbs - Why Should You Switch?

The 21st century: what a time to be alive! Home cinemas, cheap air travel and drive-thru burger joints have blessed the lives of many, while simultaneously giving the planet a bit of a kicking. So, what to do? What if you want to enjoy the pleasures of modern life without having to lie awake at nigh...

Lady measuring her waist

What Is Waist-to-Hip Ratio?

The human body is one of the most diverse shapes in the animal kingdom. You might veer towards lean and lithe, meaty and muscular, or soft and squishy, but it can be difficult to categorise our fleshy physical vessels in a truly meaningful way. We have tried, of course, with some decent results, suc...

Man stacking coins demonstrating compounding

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.

For more articles related to finance and measurements, please visit the featured articles section.

Your Comments and Suggestions

I love hearing your feedback. So, please feel free to suggest any extra units and measures for the imperial and metric conversions.

If there are any other finance calculators or converters that you feel would be a useful addition to this website, or any ideas for extra features, then please suggest those also. You can contact me here.