- 100% FREE - UNLIMITED
Percentage Calculator
- 100% Free Access
- Unlimited Conversions
- No Signup Required
- Fast & Secure
- Simple steps
How it works
Select a Percentage Calculation
Find a percentage of a number, find what percentage one number is of another, calculate percentage increase or decrease.
Enter Your Numbers
Put in all the numbers in the calculator boxes. Both calculators have information clearly displayed on them.
Calculate Instantly
To obtain a percentage result with one click, click Calculate. The copy button will allow you to easily copy your answer.
- Calculators
What Can You Calculate?
What is X% of Y?
Calculate a particular percentage of a quantity.
For example, to calculate 20% of 150:
20% of 150 = 30
Once you enter in the percentage and number, hit the button to get your answer instantly!
What Percent of Y? is X?
Find out what percentage one number represents of another number.
For example:
25 is what percent of 100?
The answer is 25%.
This calculation is very helpful in comparing values, interpreting the results and solving practical problems involving percentage.
Calculate percentage increases and decreases.
Work out the percentage increase or decrease from an amount to another amount.
For instance, in a situation where a value increases from 100 to 125, its percentage increase is 25%.
The change from 100 to 75 is 25%.
- Benefits
Why Use Our Percentage Calculator?
Three Common Percentage Calculation
Find a percentage of a number, a number as a percentage of another number and percentage increases or decreases.
Instant Results
Once you enter in the values, click on Calculate to instantly obtain the result.
Easy to Use
The calculator is easy to use and can be used by anyone, including beginners, students, professionals, and everyone else.
Accurate Calculations
The calculator applies standard mathematical percentage formula to give accurate results.
Copy Results Easily
Use the copy button next to the result to quickly copy your calculated percentage.
Free Online Calculator
No registration, downloads or difficult set-up required to use the calculator.
- Use cases
Popular Percentage Calculator Use Cases
Shopping & Discounts
Work out sales and find out how much you can save when you go shopping.
Money Calculations
Use the Percentage Calculator money feature to work out percentages of prices, savings, tips, taxes and more.
School & Homework
Students will be able to check percentage problems with the calculator and have a deeper understanding of how calculations of percentages work.
Business
Compare numbers, calculate percentage changes and analyse increases or decreases in business values.
Price Changes
Calculate percentage increase or decrease for the price of a product/service.
Tips & Gratuity
Find a percentage of a bill or service charges in order to decide how much to tip the server.
Performance Comparison
Compare two values and calculate the percentage difference/change between them.
Everyday Calculations
Solve percentage problems quickly without having to manually apply the percentage formula.
- Technical
Percentage Calculator Formula
What Is X% of Y?
Use:
Result = (X ÷ 100) × Y
Example:
20% of 150
= (20 ÷ 100) × 150
= 30
What is the percentage of x to y?
Use:
Percentage = (X ÷ Y) × 100
Example:
25 is what percent of 100?
= (25 ÷ 100) × 100
= 25%
Percentage Increase
Use:
Percentage increase = (new value – original value / original value) x 100
Example:
Original value = 100
New value = 125
((125 − 100) ÷ 100) × 100 = 25%
Percentage Decrease
Use:
Note that the formula for finding Percentage Decrease is: Percentage Decrease = ((Original Value − New Value) ÷ Original Value) × 100
Example:
Original value = 100
New value = 75
((100 − 75) ÷ 100) × 100 = 25%
- Percentage
What is a Percentage?
A percentage is a number that is part of 100. % means "per hundred.
For example:
50% = 50 out of 100
25% = 25 out of 100
10% = 10 out of 100
Percentages are frequently used to compare quantities, to determine percentage changes, to describe proportions and to solve finance and maths problems.
- Percentage
When Should You Use a Percentage Calculator?
Using a percentage calculator is helpful in situations in which you require calculations involving percentages. You can enter your values and get an instant result, rather than memorizing formulas.
The three calculators on this page provide answers to the following common questions:
A certain percentage of what number?
What percentage of the first number is the second number?
What is the percentage change in a value?
Percentage Examples :
1) Percentage Calculation Examples
Example 1: What Is 15% of 200?
(15 ÷ 100) × 200 = 30
Answer: 30
Example 2: 30 Is What Percent of 120?
(30 ÷ 120) × 100 = 25%
Answer: 25%
Example 3: Make the number 80 bigger to 100
((100 − 80) ÷ 80) × 100 = 25%
Answer: 25% increase
Example 4: Decrease From 200 to 150
((200 − 150) ÷ 200) × 100 = 25%
Answer: 25% decrease
- Online Tool
Percentage Calculator Online
There are common percentage calculations that can be solved easily using our Percentage Calculator online, without having to install anything. No need to install additional software or go through complex maths calculations by hand.
Find the percentage of any value, whether you need to figure it out for school, shopping, money, business, or everyday.
- Online Tool
Percentage Calculator Extension
If you need to do lots of percentage calculations while you are surfing, you can install a Percentage Calculator extension on your browser to access it quickly while surfing. For this, however, you can use an online calculator without downloading an extension.
Our calculator is located within the Web browser, so there is no need to download it and it is easy to use for quick percentage calculations anytime you need to use it.
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- Questions
