Percentage Calculator
This calculator allows you to quickly solve three essential types of percentage problems:
– What is X% of Y?
– X is what percent of Y?
– X is Y% of what number?
It's perfect for students, shoppers, and professionals who need accurate percentage results for math, finance, or daily life.
Solve Common Percentage Problems
Percentage Calculation Formulas
\[
\text{What is } X\% \text{ of } Y? \quad \Rightarrow \quad \frac{X}{100} \times Y = \text{Result} \\
X \text{ is what percent of } Y? \quad \Rightarrow \quad \frac{X}{Y} \times 100 = \text{Percent} \\
X \text{ is } Y\% \text{ of what number?} \quad \Rightarrow \quad \frac{X \times 100}{Y} = \text{Original Number} \\
\]
Percentage Calculations – Examples
1. What is 20% of 150? → (20 / 100) × 150 = 30
2. 30 is what percent of 150? → (30 / 150) × 100 = 20%
3. 30 is 20% of what number? → (30 × 100) / 20 = 150
Percentage calculations are used everywhere — in discounts, taxes, exams, budgeting, and data analysis. This calculator streamlines all core percentage problems in one place, providing instant and reliable answers with step-by-step clarity.