Calculators Browser-based

Percentage Calculator

Calculate percentages, percentage increase/decrease, and solve common percentage problems.

All calculations are performed locally.
% of
Result: -

Features

  • What is X% of Y?
  • X is what percent of Y?
  • X is Y% of what?
  • Percentage increase/decrease
  • Clear inputs with one click
  • Show calculation steps

Use Cases

  • Calculating discounts
  • Determining markups
  • Analyzing growth rates
  • Converting fractions to percentages
  • Tax calculations

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Frequently Asked Questions

How accurate are the calculations?

Calculations are performed using JavaScript's standard floating-point arithmetic with precision up to 10 decimal places, displayed rounded to 2 decimals.

Can I use this for discount calculations?

Yes! Use 'What is X% of Y?' to calculate the discount amount on a price.

What is percentage increase/decrease?

This calculates the change from an old value to a new value as a percentage. Formula: ((new - old) / old) × 100

Is the data saved anywhere?

No. All calculations happen locally in your browser without sending any data to servers.