What is GIGAcalculator.com?
GIGA calculator is an online service that allows you to solve various problems and complete tasks that lend themselves to mathematical modelling. Launched in February 2018, it has since provided online calculators which can help you in many practical situations, educational, and research tasks. Our converters make it easier to navigate the world of measurements.
Our aim is to become the biggest collection of high-quality calculation tools online and currently consists of 250+ calculators, 150+ converters, and 16 randomizers. As of 2026 they are trusted by 1.5 million users each month!
All calculators that you see are developed in-house with care and dedication. See our editorial policies to learn more about the ways in which we ensure the validity and quality of the tools and their supporting information.
Who are we?
We are a small team with expertise in web development, mathematics, and statistics, based in the European Union (EU). The site is owned and operated by Web Focus LLC, a company based in Sofia, Bulgaria.
Leading the project is Georgi Georgiev leaning on his 14+ years of experience in designing and building specialized software tools for the online analytics and A/B testing community. He is the author of the highly influential book "Statistical Methods in Online A/B Testing" (2019), numerous articles and white papers on statistics and the design of experiments. He has been a lecturer at multiple live and online events, delivering talks on topics such as statistics, online controlled experiments, and data analytics.
Scientific and general press coverage
Our calculators have been featured in over 400 scientific papers and articles (Google Scholar ), many in high-profile scientific journals including those published by:
Our tools as well as research and articles written by us or for us have been featured in the popular press, including publications such as:
and more
Follow us on social media!
If you are interested in following up with the latest news about our service, new tools and important updates to existing ones, be sure to follow us on Twitter and Facebook.