How to use this calculator
Convert practical decimal values into simplified fractions without floating-point display noise.
How the calculation works
- Enter a decimal value.
- The decimal places determine a power-of-ten denominator.
- The result is simplified using the GCD.
Formula
0.125 = 125/1000 = 1/8 after simplification.
Example
1.25 converts to 5/4, or 1 1/4 as a mixed number.
Understanding your result
Use the output as a practical starting point, then review it before using it in an important workflow.
Assumptions and limitations
- Precision is capped for practical browser-friendly results.
- Repeating decimals must be entered as a rounded decimal in V1.
Frequently asked questions
Does this require an account?
No. The core tool works without creating a Tool2Do account.
Is my input included in share links or analytics?
No. Tool2Do share actions use the tool page URL and safe metadata, not private values or uploaded files.