⚖️ About Ratio Calculator
A ratio shows the relative sizes of two or more values. Our Ratio Calculator helps you simplify ratios to their lowest terms and find missing values in proportions using cross-multiplication.
For example, the ratio 8:12 simplifies to 2:3 by dividing both numbers by their greatest common divisor (4).
📝 How to Use
To Simplify a Ratio:
- Click "Simplify Ratio" mode
- Enter the two numbers of your ratio
- Click "Simplify" to see the result
To Find Missing Value:
- Click "Find Missing Value" mode
- Enter 3 known values (A:B = C:D)
- Leave the unknown value as 0 or empty
- Click "Calculate" to find the missing value
✨ Key Features
- Simplify Ratios: Reduce to lowest terms automatically
- Find Missing Values: Solve proportions using cross-multiplication
- Equivalent Ratios: See multiple equivalent ratios
- Decimal Support: Works with decimals and whole numbers
- Step-by-Step: Detailed explanations for each calculation
📚 Examples
Simplify: 8:12 = 2:3 (divide by GCD of 4)
Proportion: If 2:3 = x:15, then x = 10
Equivalent: 1:2 = 2:4 = 3:6 = 5:10
💡 Common Uses
- Recipe scaling and cooking measurements
- Map scales and distance calculations
- Financial ratios and business analysis
- Paint mixing and color ratios
- Gear ratios and mechanical engineering
- Photography aspect ratios
- Homework and math problems