Decimal Calculator
Convert between decimal, fraction, and percentage forms of a number.
Decimal Calculator
Convert between decimal, fraction, and percentage forms of a number.
Real-World Examples
What is 0.625 as a fraction and percentage?
5/8 and 62.5%
Convert 45% to a decimal and fraction.
0.45 and 9/20
What is 3/8 in decimal and percentage form?
0.375 and 37.5%
Common Mistakes to Avoid
Moving the decimal point the wrong way
Fix: To convert decimal to percentage, multiply by 100 (move the point two places right). To convert percentage to decimal, divide by 100 (move two places left).
Forgetting to simplify the fraction
Fix: After converting a decimal to a fraction, always reduce it to lowest terms by dividing numerator and denominator by their GCD.
Confusing 0.5 with 5%
Fix: 0.5 as a decimal equals 50%, not 5%. To get 5% you would write 0.05.