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Ratio Calculator

Simplify a ratio and show its decimal form.

Ratio Calculator Inputs

Results computed instantly — your data never leaves your device.

Live Ratio Calculator Results

Real-Time

Simplified Ratio

5:2

Decimal Ratio

2.5000

100% Client-SidePrivate & Secure

How to Use the Ratio Calculator

  1. 1

    Enter the labeled values.

  2. 2

    Confirm units and signs.

  3. 3

    Review the live result.

  4. 4

    Use the result for educational or planning purposes.

Formula & Mathematical Basis

Simplified ratio = a/gcd(a,b) : b/gcd(a,b).

Variable Key

a,b

Two non-negative ratio terms

Step-by-Step Examples

1

Ratio simplification

Scenario: Enter 10 and 20.

  1. 1.Find GCD.
  2. 2.Divide both terms.
  3. 3.Display simplified ratio.
  4. 4.Display decimal ratio.
✅ The result is 1:2.

Practical Use Cases

  • Compare quantities.

Common Pitfalls

  • Using incompatible units.
  • Interpreting a ratio without context.

Frequently Asked Questions

Can the second term be zero?

The decimal ratio is guarded.

Are units converted?

No.

Math & Everyday Utility Calculators

Solve common math, conversion, time, construction, science, and practical planning problems in the browser.

Ratio Calculator | CalculatorFree