Percentage Formula:
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Decimal to percentage conversion is a fundamental mathematical operation that transforms a decimal number into its equivalent percentage representation. This conversion is widely used in various fields including finance, statistics, and general mathematics.
The calculator uses the simple formula:
Where:
Explanation: Percent means "per hundred", so multiplying a decimal by 100 converts it to its equivalent per-hundred representation.
Details: Percentage representation makes numbers more intuitive and comparable, especially when dealing with proportions, growth rates, discounts, and statistical data.
Tips: Enter any decimal value (positive or negative) and the calculator will instantly convert it to percentage. The result is rounded to 2 decimal places for clarity.
Q1: How do I convert 0.5 to percentage?
A: Multiply 0.5 by 100 to get 50%.
Q2: What's the percentage equivalent of 1.0?
A: 1.0 × 100 = 100%, which represents a whole.
Q3: Can I convert percentages back to decimals?
A: Yes, divide the percentage by 100 (e.g., 75% ÷ 100 = 0.75).
Q4: How do I handle negative decimals?
A: The same way - multiply by 100 (e.g., -0.2 becomes -20%).
Q5: Why do we multiply by 100 to get percentage?
A: Because "percent" means "per hundred", so we're scaling the decimal to show how many parts per hundred it represents.