Ratio Calculator
Simplify ratios and calculate equivalent ratios and decimal values.
What this calculator does
Enter two ratio terms to simplify whole-number ratios and create an equivalent ratio with a chosen multiplier.
Inputs and what they mean
- First term
- — number value.
- Second term
- — number value.
- Equivalent ratio multiplier
- — number value.
How to use it
- Enter both terms of the ratio.
- Optionally change the multiplier.
- Read the simplified and equivalent ratios.
Formula
Divide both whole-number terms by their greatest common divisor to simplify a ratio.
Worked example
Simplify 12:18
The greatest common divisor is 6, so the simplified ratio is 2:3.
Reading the result
The headline figure is the main answer. Any breakdown underneath shows the parts that make it up, so you can check the working and see what changes when you adjust an input.
Limitations and assumptions
Results depend entirely on the figures you enter and are rounded for display. They are for general information and education, not professional advice.
Common questions
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