How to use: Decimal to Fraction

Decimal to Fraction is a free online Math & Statistics tool that convert any decimal to its exact simplest fraction using continued-fraction search with a tolerance instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.

Use Decimal to Fraction now →

Description

Convert any decimal to its exact simplest fraction using continued-fraction search with a tolerance.

  • Math & Statistics
  • Because everything is computed client-side, Decimal to Fraction is safe to use with sensitive data such as API keys, tokens or private logs.
Input Decimal to Fraction Output Runs 100% in your browser — your data never leaves your device.
Decimal to Fraction — Input → Output

How to use

Using Decimal to Fraction takes three steps:

  1. Paste your data into the input box (or load the example).
  2. Configure the options to match your target format or scenario.
  3. Copy, download or inspect the output — it updates live as you type.
How to use · Decimal to Fraction 1 Paste your data intothe input box (or loadthe example). 2 Configure the optionsto match your targetformat or scenario. 3 Copy, download orinspect the output —it updates live as youtype.
How to use

Run

Examples

Try 3.14159 or 0.333333 — the tolerance controls how exact the fraction must be.

Input

0.75

Output

0.75

Simplified   3/4
GCD used     1
Decimal      0.75
Mixed number 0 3/4
Reciprocal   4/3
Percentage   75%

This output was produced by actually running the tool, not written by hand.

Use cases

Common situations where Decimal to Fraction helps:

  • Convert any decimal to its exact simplest fraction using continued-fraction search with a tolerance.

Parameters

This tool has no options — it works on the input alone.

FAQ

What is Decimal to Fraction?

Decimal to Fraction convert any decimal to its exact simplest fraction using continued-fraction search with a tolerance. It runs entirely in your browser, so your data stays private.

Is Decimal to Fraction free to use?

Yes. Decimal to Fraction is free, unlimited and works without registration or installation.

Does my data get uploaded?

No. All processing happens locally in your browser; nothing is sent to any server.

Good to know

  • Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.

Related tools

Statistics CalculatorMean, median, mode, range, variance, standard deviation, standard error, quartiles and IQR from a list of numbers.Percentile CalculatorCompute any percentile of a data set with linear interpolation, plus all deciles.Correlation CalculatorPearson and Spearman correlation, r², and the least-squares regression line for paired data.Combination CalculatorC(n,r) with exact BigInt arithmetic and a list of the actual combinations for small inputs.Permutation CalculatorP(n,r) ordered arrangements computed exactly with BigInt — no floating point rounding.Prime Factorization CalculatorBreak any integer into prime factors and list every divisor with the divisor count.

Decimal to Fraction → · Math & Statistics →

Use Decimal to Fraction now →