Free, fast and simple tools for everyday calculations
CountingUtils.com is a free online toolkit of everyday calculators and utilities built for people who just need a quick, reliable answer — without creating an account, downloading an app or sitting through ads.
We are an independent website run by a small team of developers who believe that useful tools should be accessible to everyone, for free. Every calculator on this site runs entirely in your browser — we never store your inputs or results on our servers.
Our mission is simple: build the clearest, fastest and most accurate calculators on the internet. No clutter, no sign-up walls, no dark patterns — just tools that work. Whether you need to count days between two dates, calculate your mortgage repayments, check your BMI or convert units, CountingUtils.com has a clean tool ready for you in seconds.
We currently offer 20+ free calculators across several categories:
We love feedback. If you spot a bug, have an idea for a new tool, or just want to say hello, please reach out to us at admin@countingutils.com. We read every email and aim to reply within 2 business days.
Donate to support the site
All tools are 100% free. If they've helped you, a small donation keeps us running!
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