What is the Ratio Calculator?
The ratio calculator is a free online tool that helps you work out ratio quickly and accurately. It uses the standard formula Simplify A:B by their GCD; scale proportionally if a target is given and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.
How to use this calculator
- Enter the two terms.
- Optionally scale term A to a new value.
- See the simplified and scaled ratio.
Formula used
Simplify A:B by their GCD; scale proportionally if a target is given
Explanation of each input
- Term A โ the term a used in the calculation.
- Term B โ the term b used in the calculation.
- Scale A to โ the scale a to used in the calculation.
Understanding your result
- Simplified ratio โ the calculated simplified ratio.
- Scaled B โ the calculated scaled b.
Step-by-step calculation
For the example values 4:6:
- Apply the formula:
Simplify A:B by their GCD; scale proportionally if a target is given - Substitute the values: divide by 2
- Result: 2:3
Worked example
| Inputs | 4:6 |
|---|---|
| Working | divide by 2 |
| Result | 2:3 |
Benefits and practical uses
This calculator saves you time and reduces errors when you need ratio. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.
Assumptions and limitations
- Positive terms.
Frequently asked questions
How do I simplify a ratio?
Divide both terms by their greatest common divisor.