Ratio Calculator
Simplify ratios and calculate missing ratio values.
What is Ratio Calculator?
A ratio calculator simplifies ratios and solves for missing values in proportional relationships, like 2:3 = x:9.
Ratios are used in cooking, mixing, finance, and everyday comparisons.
How does the Ratio Calculator work?
The calculator simplifies a ratio to its lowest terms by dividing both parts by their GCD.
It also solves proportion problems by cross-multiplication.
How to use the Ratio Calculator?
- Enter the ratio values (e.g. 8 and 12).
- Optionally enter a third value to solve for the fourth.
- The calculator shows the simplified ratio and the missing value.
Example
Example calculation
- Enter 12 as the ratio Part 1.
- Enter 18 as the ratio Part 2.
- The results update instantly.
Benefits of using the Ratio Calculator
- Simplify ratios instantly.
- Solve proportion problems.
- Scale recipes and mixtures.
Who should use the Ratio Calculator?
- Students and professionals who need fast, accurate results.
- Anyone who wants to verify a manual calculation.
- People who prefer a quick answer over working it out by hand.
Tips for getting the most out of the Ratio Calculator
- Double-check the values you enter before relying on the result.
- Use the calculator to verify manual calculations or estimates.
- Bookmark the page if you use it regularly.
Frequently Asked Questions
How do I simplify a ratio?
Divide both parts by their greatest common divisor. 8:12 simplifies to 2:3.
What is a proportion?
A proportion states that two ratios are equal, like 2:3 = 4:6.
No sign-up, no installs — the Ratio Calculator runs entirely in your browser, so you can get the answer and move on.
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