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Fraction to Decimal Conversion Chart – Online Quick Reference

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Fraction to Decimal Conversion Chart

Quick reference for converting fractions to decimals & percentages. Click any row to copy the decimal value.

Convert: / = 0.25 25.00%
Denominator:
Showing 136 fractions | Click any row to copy decimal value
Fraction Decimal Percentage Copy

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Quick Tips
  • Terminating decimals – denominators with only prime factors 2 and 5 (e.g., 2, 4, 5, 8, 10, 16, 20).
  • Repeating decimals – denominators with other prime factors (e.g., 3, 6, 7, 9, 11, 12, 13, 14, 15).
  • Fractions like 1/3 = 0.333333... repeat infinitely and are marked with "..." in the chart.
  • Pro tip: Bookmark this page for quick access during homework, cooking, or DIY projects!
Common Conversions
1/2 = 0.5 1/3 ≈ 0.333 1/4 = 0.25 3/4 = 0.75 1/5 = 0.2 1/8 = 0.125 1/10 = 0.1 1/16 = 0.0625

Frequently Asked Questions

How do I convert a fraction to a decimal?

Divide the numerator (top number) by the denominator (bottom number). For example, to convert 3/4, divide 3 ÷ 4 = 0.75. You can use our custom converter above for any fraction.

What is a terminating decimal?

A terminating decimal ends after a finite number of digits. Fractions whose denominators only have prime factors of 2 and/or 5 (after simplification) will always produce terminating decimals. Examples: 1/2 = 0.5, 1/4 = 0.25, 1/8 = 0.125, 1/5 = 0.2.

What is a repeating (recurring) decimal?

A repeating decimal has a digit or group of digits that repeats infinitely. This happens when the denominator (after simplification) has prime factors other than 2 or 5. For example, 1/3 = 0.333333... and 1/7 = 0.142857142857.... In our chart, repeating decimals are marked with "..." at the end.

How do I convert a decimal back to a fraction?

Count the decimal places, use that power of 10 as the denominator, then simplify. For example: 0.75 has 2 decimal places → 75/100 → simplify by dividing both by 25 → 3/4. For repeating decimals, the process is more complex and involves algebraic methods.

What are the most commonly used fraction-to-decimal conversions?

The most common conversions include halves (1/2 = 0.5), thirds (1/3 ≈ 0.333, 2/3 ≈ 0.667), quarters (1/4 = 0.25, 3/4 = 0.75), fifths (1/5 = 0.2), eighths (1/8 = 0.125, 3/8 = 0.375, 5/8 = 0.625, 7/8 = 0.875), and tenths (1/10 = 0.1). These are widely used in cooking, woodworking, and everyday math.

Why are some fractions like 2/4 shown even though they equal 1/2?

Our comprehensive chart includes both simplified and unsimplified fractions because you may encounter measurements in various denominations. For example, a ruler marked in 16ths might show 8/16, which equals 1/2. Having all variations helps with quick reference in practical situations.

How accurate are the decimal values in this chart?

All decimal values are calculated to 6 decimal places for precision. For terminating decimals, we display the exact value without trailing zeros. For repeating decimals, we show 6 decimal places followed by "..." to indicate the pattern continues infinitely. This level of precision is sufficient for most practical applications including engineering, cooking, and academic work.

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