Math
Ratio Calculator
Simplify a ratio or solve A:B = C:? for a missing term.
Inputs
Ratio Calculator
Result
Simplified
2 : 3
- Decimal
- 0.6667
Simplifying and scaling ratios
A ratio like 12:18 simplifies to 2:3 by dividing both sides by the GCD. Scaling keeps the ratio the same: doubling 2:3 gives 4:6. Ratios show up in recipes, aspect ratios, mixing solutions, and financial analysis.
Related tools
Solve a:b = c:? with the Proportion Calculator, reduce fractions with the Fraction Calculator, and find divisors with the GCD & LCM Calculator.