Free Ratio Calculator
This free ratio calculator runs entirely in your browser — no signup and no file uploads. Simplify ratios, scale proportions, and solve missing values in a:b = c:d relationships.
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Inputs
Results
- Simplified
- 2:3
- A/B
- 0.666667
- B when A scaled
- 15
How to use this free tool
- Enter ratio parts.
- Simplify or solve proportion.
- Copy result.
Formula
a:b → (a/g):(b/g), g = gcd(a,b)
Examples
Simplify
Input: 8:12
Output: 2:3
Related searches
People looking for a ratio calculator often also search for simplify ratio, ratio to fraction, proportion calculator, part to part ratio, ratio tool, and part ratio. This page covers that search cluster without duplicate URLs.
FAQ
How are ratios simplified?
Divide both parts by their GCD.
Different from Aspect Ratio?
Aspect Ratio targets width/height media; this is general ratios.
Decimals allowed?
Yes—converted carefully before simplifying.
How do I use a free ratio calculator?
This free ratio calculator runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.
What is a ratio calculator?
This free ratio calculator runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.
Is there a free online calculator for ratio?
This free ratio calculator runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.
How does the ratio calculator work?
This free ratio calculator runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.
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