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Useful online calculators for business, finance, mathematics, science, and more. Ratkio is a growing library of practical calculators for business, finance, mathematics, science, and everyday questions. It is built to give you more than a number: each calculator aims to make the method, assumptions, and result easier to understand.
Hi Product Hunt! 👋
Why Ratkio?
Ratkio is a coined brand name inspired by the Finnish words ratkoa, meaning to solve or untangle, and ratkoja, meaning a solver. It captures the purpose of the platform: breaking down problems, making each step clear, and guiding you towards a reliable answer.
I created Ratkio to be more than a collection of calculators. The goal is to help people understand how an answer is reached, with clear methods, detailed results, and useful explanations across a growing range of subjects.
This is only the beginning, and I’d genuinely appreciate your feedback. Which calculators or features would you find most useful?
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About Ratkio on Product Hunt
“Calculations you can understand, not just answers”
Ratkio was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #159 on the daily leaderboard. Useful online calculators for business, finance, mathematics, science, and more. Ratkio is a growing library of practical calculators for business, finance, mathematics, science, and everyday questions. It is built to give you more than a number: each calculator aims to make the method, assumptions, and result easier to understand.
Ratkio was featured in Productivity (661.2k followers), User Experience (368.4k followers) and Education (79.2k followers) on Product Hunt. Together, these topics include over 229.8k products, making this a competitive space to launch in.
Who hunted Ratkio?
Ratkio was hunted by Jéga-Szabó Csaba. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Ratkio stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Jéga-Szabó Csaba