A percentage calculator helps you quickly solve percentage problems without manually converting numbers or remembering formulas. It can calculate values such as percentages of amounts, percentage increases, decreases, and differences.
A percentage calculator is an educational tool that converts percentage questions into simple calculations.
For example:
What is 20% of $100?
The calculator determines:
20% × $100 = $20
This means 20 percent of $100 equals $20.
Follow these steps:
First determine the percentage value.
Example:
You want to find 15% of $200.
The percentage is:
15%
Enter the original number or amount.
Example:
$200
The calculator converts the percentage into a decimal:
15% = 0.15
Then:
0.15 × $200 = $30
The answer is:
15% of $200 equals $30.
The basic formula is:
Percentage Value = (Percentage ÷ 100) × Original Number
Example:
25% of $80:
(25 ÷ 100) × $80
= 0.25 × $80
= $20
Percentage calculators are useful for:
Avoid these errors:
Use the main calculator:
Learn more:
What Is a Percentage Calculator?
Other calculators:
Percentage Increase Calculator
A percentage calculator quickly calculates percentage values, increases, decreases, and comparisons.
Multiply $100 by 0.20 to get $20.