Calc
Add to phone

Calculators and Converters

Choose from a multitude of free calculators and converters in the areas of finance, health, cooking, math and science for everyday, general use.


How to Calculate Net Income (With Examples)

Net income, also called net profit, is calculated by deducting an organisation's total expenses from their total revenue. It's basically the spare money left over at the end of a financial year, and a business might use it to invest, expand, save, or give out to shareholders...


What is the Difference Between Nominal, Effective and APR Interest Rates?

Whether you're paying interest on a debt or earning interest on savings and investments, the nominal interest rate is the figure used before considering inflation. Nominal interest rates are the ones advertised on financial products, but once they are adjusted for inflation, these can go up or down ...


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.


How To Measure Your Waist

Whether you're ordering clothes online, monitoring your weight, or designing a bespoke bucket chair for your space-shuttle to the moon (look, the world is on fire; it's OK to have a plan B), you need to be able to measure your body accurately. Here's how to get the digits for your waist.


Calculator suggestions

I love hearing your feedback. So, please feel free to suggest any calculators or converters that you feel would be a useful addition to this website. Or, if you have any ideas for extra features, then please suggest those also. You can contact me here.