Ratio Calculator
Simplify a:b and optionally solve a:b = c:x.
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How to use Ratio Calculator
- Enter a, b, c (optional, solve a:b = c:x). Leave a field blank only when the page says the value is missing.
- Read the result rows under the form. Errors appear in the status line. Nothing is uploaded.
- Rounding follows IEEE floating point in this browser unless the page says it uses integers or BigInt.
Ratio Calculator
Simplify
| Computes | Simplify a:b and optionally solve a:b = c:x. |
|---|---|
| Includes | Simplify |
| Includes | Fourth term |
| Engine | percentage |
| Upload | None |
| Advice | Arithmetic only |
What Ratio Calculator is
2:4 simplifies to 1:2 by dividing by the GCD. If you type c, x = (b/a) × c. a and b cannot both be 0.
The formula runs in this tab. CZNull does not receive the numbers.
How this page computes
A four-term blank is the proportion page. Percents are a ratio to 100.
Entities and related jobs
Simplify a:b and optionally solve a:b = c:x. Named features: Simplify, Fourth term.
See also Proportion Calculator, Percentage Calculator, GCD Calculator, Scientific Calculator, Fraction Calculator, Average Calculator.
Use cases
Mix ratios, map scales, and gear counts. Gear ratio as a machine formula lives under science later; this page is the ratio itself.
Limits
Invalid input appears in the status line. IEEE floating point applies unless a row says otherwise. CZNull does not receive the numbers.