Life & fun · February 25, 2026
CalcDeck.com
Simple fast and FREE calculators for everyone!
What it does
CalcDeck.com - Simple, fast, and responsive online calculators for math, finance, and much more! I have around a dozen calculators up on the site but will be adding more every week. I want to take my time and test every calculator for errors before uploading it! I am launching this site on Product Hunt so that people can provide feedback and let me know what calculators would be useful to them!
Does the same job
all alternatives →- IGI Got Tired of Calculator Sites, So I Built My Own2025 · ▲58
I’ve always found that online calculators tend to have bad UIs, especially on mobile. Most of the calculator websites I’ve come across use outdated and inconvenient ways of inputting data, or they format the results in confusing ways. I’ve noticed that fraction calculators (especially mixed fractions) are terrible to use, even on desktop. I haven’t built one of those yet, but it’s something I’m planning to tackle soon. This is a project I’ve always wanted to work on, but I’m relatively new to this space. So far, I’ve created a collection of simple calculators focused on math and finance. I’d…
CalcEasy —Online CalculatorsMay 2026 · calceasy.info · ▲2100+ free calculators. No sign-up, just answers.
CalculatorBoomJul 2026 · calculatorboom.com · ▲4Fast, clean calculators for everyday math, no ads overload
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