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Percentage Calculator

Solve common percentage questions without remembering the formulas.

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HOW TO USE IT

How to use the Percentage Calculator

  1. Choose the percentage calculation you need.
  2. Enter the two numbers.
  3. Calculate and review the result instantly.
WHY IT HELPS

What this tool is useful for

Percentages are used in prices, analytics, budgets and everyday comparisons. This calculator supports three of the most common percentage formulas in one place.

PRACTICAL EXAMPLES

Common ways to use it

Discount check

Find 20% of a price before shopping.

Growth

Measure the percentage change from one month to the next.

Comparison

Find the percentage difference between two values.

COMMON QUESTIONS

Percentage Calculator FAQ

How do I find 20% of 50?

Choose “What is A% of B?”, enter 20 for A and 50 for B.

What is percentage change?

It measures the increase or decrease from a starting value to a new value.

What is percentage difference?

It compares two values without treating either one as the starting value.

KEEP GOING

Related free tools

Discount CalculatorCalculate sale price, savings and optional tax after a discount.Sales Tax CalculatorAdd sales tax to a subtotal or extract tax from a tax-included total.Markup & Margin CalculatorCalculate profit, markup percentage and gross margin from cost and price.

SDS tools are provided for general informational and planning purposes. Verify important financial, tax, security or business decisions with the appropriate source or professional.