About The Calculator Site
The Calculator Site is owned and operated by Hazell Industries Ltd, a family business based in both the United Kingdom and Taiwan.
Initially founded as a hobby in 2004, our website has evolved into a widely-used and much-loved resource, attracting visitors from all over the world. The Calculator Site has experienced significant growth in its user base, especially in recent times. From approximately 100,000 monthly visits in early 2012, our website now attracts over 4 million visitors each month.
In 2022, The Calculator Site was recognised as a Top Education Site at the Ezoic Publisher Awards.
Our calculators have featured in esteemed publications such as Investopedia, Fortune, The Motley Fool, Seeking Alpha, Business Insider, The Guardian, HuffPost and more.
Alastair Hazell has a background in entrepreneurship, business strategy and problem solving, with a wealth of experience in the internet industry. He has created over 150 calculators in his 15 years of working on The Calculator Site.
Alastair also co-founded health website Medical News Today, leading it to become an influential health publisher over the course of a decade and a half, before selling it to Healthline in 2016. You can read the story of how Medical News Today came about in this article.
What is The Calculator Site?
The Calculator Site was built to provide you with helpful calculation and converter tools for every day use. Whether you're looking to work out the compound interest on your savings, convert between two metric or imperial measurement units or calculate your BMI, The Calculator Site has tools to help. Use of all of the converters and calculators is subject to terms and conditions.
Why is there advertising on this website?
The advertising revenue generated by The Calculator Site helps us pay for the hosting, bandwidth and continued development of the website. The adverts displayed on the website are contextually served by Ezoic and Google. We began partnering with Ezoic in 2016. If you spot any ads that you consider to be inappropriate, please contact us so that we can investigate.
We always love to hear feedback about our website. Whether you would like to make a suggestion for an extra feature on one of our calculators, or have an idea to make the site better for you, please get in contact with us. You can do this by visiting our feedback page.
If you like our website, please consider helping plant some trees in the Amazon.