MathCalcLab
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Decimal Converter

Convert between fractions and decimals with detailed explanations

Enter any decimal number

Results

Enter values and click Calculate to see the result.

Theory

  • Multiply by 100 and add the percent sign.
  • Divide by 100 to convert a percentage to a decimal.
  • Divide the numerator by the denominator.
  • Convert a decimal to a fraction by writing it as the decimal value over a power of ten, then simplifying.

Common exact conversions

\(\text{Decimal} \leftrightarrow \text{Percent} \leftrightarrow \text{Fraction}\)

Worked Examples

Decimal to Percent

\(0.75 \times 100 = 75\%\)

Percent to Decimal

\(75\% \div 100 = 0.75\)

Fraction to Decimal

\(\frac{3}{4} = 3 \div 4 = 0.75\)

Decimal to Fraction

\(0.75 = \frac{75}{100} = \frac{3}{4}\)
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