Ratio Calculator
Simplify two numbers into a ratio and see a÷b. Free ratio and proportion calculator, no signup.
Parameters
Enter the required details below
Ready to Calculate
Enter your parameters and click calculate to see the results here.
How to Use
- Enter First Number.
- Enter Second Number.
- Click Calculate to see Ratio and Simplified Ratio.
- Check the result. Use Reset if you want to try different numbers.
About This Calculator
A ratio compares two quantities. This tool divides the first number by the second and reduces the pair with the greatest common divisor so 8:12 becomes 2:3.
Simplified ratio
a:b reduced by gcd(a, b); decimal = a / b
50 and 125 → 2:5 and 0.4.
Frequently asked questions
How do you calculate a ratio?+
Write the two numbers as a:b, divide both by their greatest common divisor, and optionally compute a/b as a decimal.
Is Ratio Calculator free to use?+
Yes. Ratio Calculator is free and does not require an account. The calculation runs in your browser.
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