Decimal to Fraction Converter
Turn any decimal into its closest simplified fraction using a continued-fraction method, with a clear note whenever the result is an approximation rather than exact. Useful for maths homework, cooking and measurements, and it runs privately.
- 100% free
- Private & safe
- Runs in your browser
Why use Decimal to Fraction Converter?
Decimal to Fraction Converter converts instantly and accurately in your browser, showing every unit or format side by side so you can copy the one you need.
- Runs instantly in your browser — nothing to install, nothing uploaded.
- Completely free, with no account, no watermarks and no usage limits.
- Uses a continued-fraction search with a denominator limit, then reduces the fraction.
- Enter a decimal number (e.g. 0.375).
- Works on any device — desktop, tablet and phone — and is fully keyboard accessible.
How to use Decimal to Fraction Converter
- Enter a decimal number (e.g. 0.375).
- See the equivalent simplified fraction.
- The tool notes if the value is an approximation.
- Use it for exact fractions or close estimates.
Examples
- 0.375 = 3/8.
- 0.333… ≈ 1/3.
Supported formats & limits
- Uses a continued-fraction search with a denominator limit, then reduces the fraction.
Limitations
- Irrational or repeating decimals return the closest simple fraction, flagged as approximate.
- Very long decimals are approximated within a denominator limit.
Frequently asked questions
Does it give an exact fraction?
For terminating decimals, yes; for repeating or irrational values it returns the closest simple fraction and says so.
How large can the denominator get?
It searches up to a sensible limit to keep the fraction simple.
Is anything uploaded?
No — it runs in your browser.
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