Ratio Calculator
Simplify ratios and solve proportion problems
:
Ratio a:b = a ÷ b • Simplified = (a/gcd) : (b/gcd)
Results
Simplified Ratio
1 : 2
Decimal (A ÷ B)
0.5
Percentage (A/B × 100)
50%
| Raw Ratio | 50 : 100 |
| Equivalent Ratio (× Scale) | 2 : 4 |
| Split of Total: A side | 100 |
| Split of Total: B side | 200 |
| × | A | B |
|---|
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Frequently Asked Questions
What is a ratio?
A ratio compares two quantities, showing how many times one value contains or is contained within the other, written as a:b.
How is a ratio simplified?
Both numbers are divided by their greatest common divisor (GCD) so the ratio is expressed in its lowest terms.
How is a ratio related to a fraction?
A ratio a:b can be written as the fraction a/b, and can be converted to a decimal or percentage using the same value.
Where are ratios used in real life?
Ratios are common in recipes (ingredient proportions), finance (debt-to-income), and statistics (comparing two datasets).