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Conversion Tools

Fraction / Decimal / Percentage Converter

Convert fractions, mixed numbers, recurring decimals and percentages with exact fraction arithmetic. Simplify fractions and see decimal expansions with repeating digits clearly marked.

Your content stays on your device Free, with no account
Convert with confidence. Local processing · no uploads
Examples: 1/3, -2 1/4, 0.(3), 1.2(34), or 12.5% in percentage mode.
Display rounding only. Exact values remain available.

Fraction integer parts, numerator, denominator and repeating blocks support up to 120 digits, with at most 512 input characters. Denominators cannot be zero. Mixed fractional parts must be less than one. Repeating expansions stop after 200 digits; exact fractions stay available.

YOUR CONVERSION

Enter values to convert.

A FEW SIMPLE STEPS

How to use Fraction / Decimal / Percentage Converter

  1. Choose the input interpretation, units or direction offered by Fraction / Decimal / Percentage Converter.
  2. Enter the value using the format described beside the input. Results update locally as you change settings.
  3. Review the main result and supporting details. Use precision controls where provided; approximate displays are marked ≈.
  4. Copy the main result or download a TXT report. Clear releases inputs and results; switching tools does not carry inputs over.
PRIVATE BY DESIGN

Why use this tool?

Your values are never uploaded to a server. This converter uses self-hosted JavaScript and runs on your device, without accounts, remote processing or saved input history. Its shared engine can also be reused in the planned Conversion Workspace.

Tool inputs stay in your browser. Only your theme preference is saved on this device.

A few things worth knowing

What does this converter support?

Convert fractions, mixed numbers, recurring decimals and percentages with exact fraction arithmetic. Simplify fractions and see decimal expansions with repeating digits clearly marked.

What formats and limits should I know?

Fraction integer parts, numerator, denominator and repeating blocks support up to 120 digits, with at most 512 input characters. Denominators cannot be zero. Mixed fractional parts must be less than one. Repeating expansions stop after 200 digits; exact fractions stay available.

Are inputs uploaded or saved?

No. Inputs and generated reports remain in this page until you copy or download them. No network API, analytics submission or input storage is used. The website saves only your theme preference.

Can I use this with the other conversion tools?

Yes. Each converter remains a standalone tool within Conversion Tools. Category shortcuts open other tools, and related links suggest relevant conversions. Inputs do not transfer when navigating. A combined Conversion Workspace is planned after the standalone collection.

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