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What Is X% of Y Calculator

Answer questions like “What is 15% of 80?” instantly (example: 15% of 80 = 12).

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What This Calculator Does

This calculator answers questions written as “What is X% of Y?” by applying a percentage (X) to a number (Y). It returns the percentage amount instantly.

It’s useful for discounts, tips, taxes, commissions, budgeting, and quick percentage checks when you don’t want to do the math manually.

When Would You Use This Calculator?

  • Calculating a discount amount (like 30% of a price)
  • Finding a tip amount (like 18% of a restaurant bill)
  • Estimating tax or fees as a percent of a total
  • Calculating commissions or percentage-based payouts
  • Double-checking percentage math for work or school

Common Questions This Calculator Can Answer

  • What is 15% of 80?
  • What is 20% of 150?
  • What is 12.5% of 240?
  • How do I calculate X% of Y quickly?
  • What formula is used to calculate a percent of a number?

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