Ratio Calculator
Simplify any ratio to its lowest terms and see it expressed as a decimal and as parts of a whole.
Ratio Calculator
Simplify any ratio to its lowest terms and see it expressed as a decimal and as parts of a whole.
How to use the Ratio Calculator
- Enter Value A.
- Enter Value B.
- Click Calculate.
Formula
Simplified: A÷GCF : B÷GCF
1 : x ratio = 1 : (B/A)
A as % of total = A/(A+B) × 100
Example
Ratio of 48 to 36. GCF = 12. Simplified: 4 : 3
Step-by-step calculation
- Compute the greatest common factor of 48 and 36: GCF = 12.
- Divide both values: 48÷12 = 4, 36÷12 = 3.
- Result: 4 : 3.
Real-world uses
- Mixing ingredients in recipes.
- Scaling designs and blueprints.
- Financial ratio analysis.
Common mistakes
- Entering decimals without considering scale (a ratio of 0.5 : 1.5 simplifies to 1 : 3).
- Confusing ratio with probability.
- Not reducing to lowest terms.
Frequently asked questions
Can ratios include decimals?
Yes. The calculator scales both values to whole numbers and simplifies.
What is a 1:x ratio?
It expresses the second value relative to the first being 1. A 4:3 ratio becomes 1:0.75.
How is this different from the proportion calculator?
A ratio calculator simplifies A:B. A proportion calculator solves A/B = C/D for a missing value.