Percentage Calculator

Calculate percentages, percentage change, and percentage of a number.

🌐 Uses API

Also try:Mortgage Tools Hub·Cryptocurrency Portfolio Tracker·Time Until Retirement

Quick Examples

Calculation Type

Percentage (e.g., 25)

Enter the first value

Number (e.g., 200)

Enter the second value

How to Use

Percentage of a Number

Find what percentage of a number equals. Example: What is 25% of 200? Answer: 50

Percentage Change

Calculate the percentage increase or decrease between two values.

What Percentage

Find what percentage one number is of another. Example: What % is 30 of 120? Answer: 25%.

Increase/Decrease

Calculate the result after increasing or decreasing a value by a percentage.

Related tools

Privacy

Most processing happens locally in your browser for speed & privacy. Network calls occur only for live rates or updates.

Premium

Premium feature

Historical analysis & trends

Track your past calculations and visualize patterns.

Calculation presets

Save, load, and manage your favorite calculation setups.

Import

No presets saved yet.

Scenario planning

Compare multiple inputs side-by-side.

Batch processing

Upload a CSV to compute results in bulk.

Custom formulas

Create and reuse your own rules.

External data

Connect Google Sheets or an API as inputs.

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Free Tier Usage0/100 calculations today