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:

US measuring cups

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...

One hundred trillion Zimbabwe dollars

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...

Measuring tablespoons into a cup

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?...

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.