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Ratio Calculator

Calculate and simplify ratios, find equivalent ratios, and solve ratio problems. Convert ratios to fractions, percentages, and proportions for math and real-world applications.

Enter Values

First Value (A)*

Second Value (B)*

Results

Simplified Ratio
2:3

Decimal Form

0.6667

Percentage

40%

Inverse Ratio

3:2

Part A

40%

Part B

60%

GCD

The ratio 10:15 simplifies to 2:3. This means for every 2 units of A, there are 3 units of B.

Understanding Ratios

Ratios are a way to compare two or more quantities. They show the relative sizes of values and are used in many real-world applications.

How to Simplify Ratios

Find the Greatest Common Divisor (GCD) of both numbers
Divide both numbers by the GCD
The result is the simplified ratio

Common Uses of Ratios

Cooking: Recipe ingredient proportions
Finance: Debt-to-income, price-to-earnings
Maps: Scale ratios (1:100,000)
Science: Chemical compound ratios
Construction: Material mixing ratios

Frequently Asked Questions

What is a ratio?+

How do you simplify a ratio?+

What is the difference between a ratio and a fraction?+