Decimal to Fraction Converter — and Fraction to Decimal
Convert a decimal to its simplest fraction (with a whole-number part) or a fraction back to a decimal.
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Decimal ↔ Fraction Converter
Numbers • fractions
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How to Use the Decimal ↔ Fraction Converter
Pick a direction — use the toggle at the top (e.g. encode vs decode).
Type or paste your text — the result updates live as you type; large inputs are fine.
Copy the result — one click copies the output to your clipboard.
Swap — flip the direction (⇄) to reverse the conversion instantly.
Why Use This Decimal ↔ Fraction Converter
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Accurate Standards
Built on internationally recognised SI and standards-body conversion factors for dependable results.
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Instant & Animated
Results update live as you type, with a clear visual breakdown across every unit at once.
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100% Private
Everything runs in your browser — no account, no uploads, nothing leaves your device.
Understanding the Decimal ↔ Fraction Converter
Converting a decimal to a fraction expresses it as a ratio in lowest terms — 0.375 becomes 3/8. This is constant in cooking, woodworking, construction, math homework and finance, where a fraction is often clearer than a long decimal.
This tool finds the simplest fraction for any decimal (with a whole-number part for values over 1) and converts fractions like 1 1/2 back to decimals. Repeating decimals are approximated very closely. Instant and private.
Decimal ↔ Fraction Converter FAQ
The tool finds the closest simple fraction to your decimal and reduces it to lowest terms. Repeating decimals are approximated very closely.