MTMasterTool

Decimal to Fraction Converter

Calculate decimal to fraction instantly in your browser.

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What this tool does

Calculate decimal to fraction instantly in your browser. Converts the entered finite decimal exactly, not an inferred repeating decimal.

How to use the Decimal to Fraction Converter

  1. Enter or select decimal (up to 12 decimal places).
  2. Read the calculated result; change any measurement to compare alternatives.

Formula

numerator=decimal digits as integer; denominator=10^decimal places; reduce by GCF
value
Decimal (up to 12 decimal places)

Converts the entered finite decimal exactly, not an inferred repeating decimal.

Worked example

For decimal to fraction converter, the following measurements illustrate the exact method: Decimal (up to 12 decimal places): 0.125.

Inputs

  • Decimal (up to 12 decimal places)0.125

Result

  • Reduced fraction1/8

Results explained

Reduced fraction
Reduced fraction from the formula above. Converts the entered finite decimal exactly, not an inferred repeating decimal.

Frequently asked questions

numerator=decimal digits as integer; denominator=10^decimal places; reduce by GCF

Converts the entered finite decimal exactly, not an inferred repeating decimal.

Where mathematically meaningful, yes. Fields specify permitted ranges and undefined operations display an error.

Exact integer calculations use safe integers; decimal calculations use browser floating point, so small rounding differences can occur.

All values remain in your browser and are never uploaded.