How it works
Fill in the 2 fields above and Ratio Calculator calculates the result instantly, recalculating as you change any value. It applies the formula a : b → a/gcd : b/gcd. The math runs locally in your browser — nothing is sent to a server.
Formula
a : b → a/gcd : b/gcdExamples
- Value A 1920, Value B 1080 → Simplified ratio: 16 : 9
Frequently asked questions
How do I use the Ratio Calculator?
Enter your values in the 2 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.
What formula does the Ratio Calculator use?
It uses a : b → a/gcd : b/gcd. The calculation is performed in your browser using standard, well-established math for accurate results.
Is my data private?
Yes. The Ratio Calculator runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.
Is the Ratio Calculator free?
Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on calculators and the rest of the platform, you can use it as often as you like.
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