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X Percent of Y Calculator

X Percent of Y Calculator

Section titled “X Percent of Y Calculator”

A free online calculator to find X percent of any number instantly. Commonly used by shoppers calculating discounts, students solving math problems, and professionals determining percentages in business and finance.

What is X% of Y?

Calculate a percentage of any number instantly.

%

For example, to calculate 20% of 50, enter 20 in the first box and 50 in the second box.

Result =
Enter values to see result

How to Calculate X Percent of Y

Section titled “How to Calculate X Percent of Y”

To calculate X percent of Y, multiply the percentage by the number and divide by 100:

Formula: Result = (X / 100) × Y

Or simplified: Result = X% × Y

Examples

Section titled “Examples”
  • 20% of 100: 20 × 100 / 100 = 20
  • 15% of 200: 15 × 200 / 100 = 30
  • 50% of 80: 50 × 80 / 100 = 40
  • 75% of 60: 75 × 60 / 100 = 45

Common Uses

Section titled “Common Uses”

Shopping & Retail

Section titled “Shopping & Retail”
  • Calculate discounts (e.g., 30% off $50)
  • Find sale prices
  • Compute tax amounts

Business & Finance

Section titled “Business & Finance”
  • Calculate commission rates
  • Determine profit margins
  • Find interest amounts

Education

Section titled “Education”
  • Calculate grade percentages
  • Find weighted scores
  • Determine assignment values

Percentage Tips

Section titled “Percentage Tips”
  • To find 10% of a number, simply divide by 10
  • To find 50% of a number, divide by 2
  • To find 25% of a number, divide by 4
  • To find 1% of a number, divide by 100

Frequently Asked Questions

Section titled “Frequently Asked Questions”

How do I calculate X percent of Y?

Section titled “How do I calculate X percent of Y?”

Multiply X by Y and divide by 100. For example, to find 20% of 50: (20 × 50) ÷ 100 = 10.

What is 15% of 100?

Section titled “What is 15% of 100?”

15% of 100 equals 15. This is calculated as (15 × 100) ÷ 100 = 15.

Can I use this calculator for discounts?

Section titled “Can I use this calculator for discounts?”

Yes! Enter the discount percentage as X and the original price as Y to find the discount amount. For example, 30% off $80 means entering 30 and 80.

Is this calculator accurate for all numbers?

Section titled “Is this calculator accurate for all numbers?”

Yes, the calculator handles whole numbers, decimals, and large values with precision up to 5 decimal places.

How do I calculate sales tax using percentages?

Section titled “How do I calculate sales tax using percentages?”

Enter the tax rate as X (e.g., 8.5 for 8.5% tax) and your purchase amount as Y to find the tax amount.

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