About this utility
How to use Fraction, Percent & Scientific Converter
Normalize decimal, fraction, percentage, and scientific notation with exact rational arithmetic.
What to provide
Enter a decimal, fraction, percent, or scientific value such as 0.125, 1/8, 12.5%, or 1.25e-1.
- Paste, type, or drag and drop a supported text file into the input area.
- Review the input and the clearly labeled output behavior.
- Select “Run tool” or press Ctrl/Command + Enter, then copy, download, or move the result back into the first input for another pass.
What the result means
Reduced fraction, decimal, percentage, and scientific forms.
Privacy and safety
This utility is loaded as browser code and processes your input only in this tab. OmniCastConverter has no upload endpoint and never stores your content, filenames, tokens, or secrets. Generated markup and code are shown as inert text and are never executed.
Limitations
- Repeating decimal output is truncated to 20 fractional digits while the reduced fraction remains exact.
Try the included example
Select “Load example” at any time to restore this tested sample.
12.5%