Quick Marketing Tools

Quick Marketing Tools

Percentage Calculator

Calculate percentages with three modes: find X% of Y, what percent X is of Y, and percentage change. Instant results.

About Percentage Calculator

Calculate percentages with three modes: find X% of Y, determine what percent X is of Y, or calculate percentage change.

The Percentage Calculator offers three essential calculation modes: find what X% of a number is, determine what percentage one number is of another, and calculate the percentage change between two values. It covers common percentage workflows, including discounts, tips, growth rates, and basic statistical comparisons.

How to use Percentage Calculator

Select your calculation mode: 'What is X% of Y?' for basic percentage calculations, 'X is what % of Y?' for ratio calculations, or 'Percentage Change' for comparing two values. Enter your numbers and get instant results with visual explanations.

Percentage Calculator example

Mode 1: What is 15% of 250? = 37.5. Mode 2: 45 is what % of 200? = 22.5%. Mode 3: Change from 100 to 135? = 35% increase. All calculated instantly with clear visual breakdowns.

Browse more Daily Utility tools or open the related options below.

  • Discount Calculator Calculate discounts, final price, and savings instantly. Switch to reverse mode to find the discount percentage from any sale price.
  • Profit Margin Calculator Calculate your profit margin percentage with visual profit-to-revenue analysis and context checks.
  • Age Calculator Calculate your exact age in years, months, and days with fun stats like total days lived and a countdown to your next birthday.
  • GST Calculator Calculate GST arithmetic with inclusive/exclusive modes, CGST/SGST split, and invoice-style preview when the applicable rate is known.
  • Compound Interest Calculator Calculate compound interest with interactive growth charts, contribution breakdowns, and scenario comparisons.
  • Aspect Ratio Calculator Simplify any resolution to its aspect ratio, calculate missing dimensions, and preview common formats for video and design.

Helpful questions

How do I calculate a percentage?

To find X% of Y: multiply Y by X/100. To find what % X is of Y: divide X by Y and multiply by 100. Our calculator handles all these automatically.

What is percentage change?

Percentage change measures the relative difference between an old value and a new value: ((New - Old) / Old) multiplied by 100. Positive means increase, negative means decrease.

Can I calculate tips with this?

Yes! Use 'What is X% of Y?' mode. For a $50 bill with 18% tip: what is 18% of 50 = $9. Your total would be $59.

What's the difference between percentage and percentage points?

Going from 10% to 15% is a 5 percentage point increase but a 50% increase. Percentage points measure absolute difference; percentage measures relative change. Our calculator shows both.