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Decimal to Fraction Calculator

Convert any decimal — terminating or repeating — into its simplest fraction form with a short explanation.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Multiply the decimal by 10k to remove the decimal point, set that as the numerator over 10k, then reduce by the GCD of numerator and denominator.

In depth

Convert any decimal — terminating or repeating — into its simplest fraction form with a short explanation.