Ratio Calculator
Simplify two numbers to their smallest ratio (e.g. 1920:1080 → 16:9). Enter your values, click Calculate, and get the full result with its breakdown — everything is processed on your device, nothing is sent to a server.
All calculations run in your browser. Your data is never sent to our servers.
Example
Example Input
1920 : 1080
Example Output
16:9
How to Use
- 1Fill in each input field with the values you want to compute.
- 2If there are choices (units, mode, operation), pick what you need.
- 3Click the Calculate button (or press Ctrl+Enter).
- 4The main result and its breakdown appear in the Result area. Click Copy to copy it.
About the Ratio Calculator
The Ratio Calculator simplifies two numbers to their smallest ratio using the GCD, plus the decimal value. Useful for aspect ratios, scales, recipe proportions, and any comparison.
For example 1920:1080 simplifies to 16:9.
FAQ
Is this Ratio Calculator accurate?
Yes. It uses standard formulas and runs directly in your browser at full JavaScript precision (plus BigInt/decimal.js for large numbers where needed).
Is my data sent to a server?
No. All calculations happen entirely on your device. No values are sent to or stored on our servers.