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Ratio Calculator – Simplify Ratios Online

Calculate and simplify ratios. Find equivalent ratios and solve proportion problems.

No sign-upMobile readyPrivate by default
EDU

Tool

Enter your values and get results instantly.

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HOW

How to Use

  1. 1Enter two numbers
  2. 2Click Simplify
  3. 3See simplified ratio
WIN

Benefits

Instant simplification
GCD calculation
Visual ratio
Free
Easy to use
FAQ

Frequently Asked Questions

How do I simplify a ratio?

Enter two numbers, and our tool finds the greatest common divisor (GCD) to simplify the ratio to its smallest whole numbers. Example: 10:20 becomes 1:2.

What are ratios used for?

Ratios are used in cooking recipes, mixing chemicals, financial analysis, map scales, and comparing any two quantities.

Can I calculate proportions?

Yes – if you know three values in a proportion, our tool can find the missing fourth value.

What if the numbers are decimals?

The tool handles decimal numbers and converts them to the simplest whole-number ratio.

Is this free for students?

Yes – completely free for students, teachers, and anyone who needs quick ratio calculations.