Percentage Calculator
6 calculators in one page — Basic %, Change, Difference, Marks, GPA & Discount
Percentage Calculator
Calculate Percentages, Marks, SGPA, GPA & Discounts Instantly
Have you ever wondered what percentage of a number is, how much your marks percentage is, or how much discount you’re actually getting during a sale? Our Percentage Calculator makes these calculations simple, fast, and accurate.
Whether you’re a student calculating exam results, a shopper checking discounts, or a professional analyzing percentage growth, this all-in-one tool helps you get instant answers without manual formulas.
This free online calculator includes bellow feature:
- Basic Percentage Calculator
- Percentage Increase & Decrease Calculator
- Percentage Difference Calculator
- Marks Percentage Calculator
- SGPA to Percentage Converter
- GPA to Percentage Converter
- Discount Percentage Calculator
What Is a Percentage Calculator?
A Percentage Calculator is an online tool that helps you determine percentages quickly and accurately and instantly. Instead of manually applying formulas, you simply enter your values and get instant results.
Percentages are widely used in:
- School and college results
- Business reports
- Salary increments
- Shopping discounts
- Financial calculations
- Data analysis
- Academic grading systems
This Percentage calculator eliminates errors and saves time by performing calculations automatically.
Basic Percentage Calculator
The Basic Percentage Calculator helps answer questions such as:
- What is 20% of 500?
- What percentage is 45 out of 90?
- How much is 15% of a total amount?
Percentage Formula
Percentage = (Part ÷ Total) × 100Example
If a student scores 450 marks out of 500:
Percentage = (450 ÷ 500) × 100
Percentage = 90%This calculation is commonly used in exams, academic reports, and performance evaluations.
Percentage Increase & Decrease Calculator
Need to know how much a value has increased or decreased?
This calculator is ideal for:
- Salary hikes
- Price changes
- Revenue growth
- Business performance tracking
- Investment analysis
Percentage Increase Formula
Percentage Increase = ((New Value - Old Value) ÷ Old Value) × 100Old Salary = ₹30,000
New Salary = ₹36,000
Increase = ((36,000 - 30,000) ÷ 30,000) × 100
Result = 20%The Percentage Difference Calculator compares two values and shows how much they differ in percentage terms.
It is useful for:
- Comparing exam scores
- Comparing prices
- Sales analysis
- Statistical calculations
- Research data comparison
Formula for Percentage
Percentage Difference =
|Value 1 - Value 2|
÷
((Value 1 + Value 2) ÷ 2)
× 100Value A = 100
Value B = 120
Percentage Difference = 18.18%Students frequently need to calculate their percentage after exams.
Instead of using manual calculations, simply enter:
- Obtained Marks
- Total Marks
The calculator instantly shows your percentage.
Marks Percentage Formula
Percentage = (Obtained Marks ÷ Total Marks) × 100Obtained Marks = 425
Total Marks = 500
Percentage = 85%- CBSE Students
- ICSE Students
- State Board Students
- College Students
- Competitive Exam Aspirants
SGPA to Percentage Calculator
Many universities provide results in SGPA (Semester Grade Point Average). However, employers and institutions often require percentages.
This SGPA to Percentage Calculator helps convert SGPA into percentage instantly.
Common Formula
Percentage = (SGPA × 10) - 7.5SGPA = 8.2
Percentage = (8.2 × 10) - 7.5
Percentage = 74.5%Note: Different universities may use different conversion formulas. Always verify your institution’s official guidelines.
GPA to Percentage Converter
If your academic performance is represented using GPA, converting it into a percentage becomes essential for applications, admissions, and job opportunities.
General GPA to Percentage Formula
Percentage = GPA × 25GPA = 3.6
Percentage = 3.6 × 25
Percentage = 90%Discount Percentage Calculator
Shopping online? Use the Discount Calculator to find out how much money you’re saving.
Discount Formula
Discount % =
((Original Price - Sale Price)
÷ Original Price)
× 100Original Price = ₹5,000
Sale Price = ₹4,000
Discount = 20%- Festival Sales
- Online Shopping
- Retail Discounts
- Seasonal Offers
- Coupon Savings
Why Use Our Percentage Calculator?
Fast Calculations
Get results instantly without complicated formulas.
Accurate Results
Avoid human errors in calculations.
Multiple Percentage Tools
Everything is available on a single page.
Mobile-Friendly
Use the calculator from any device.
Free to Use
No registration or subscription required.
Common Percentage Formulas
Find Percentage
Percentage = (Part ÷ Whole) × 100((New Value - Old Value) ÷ Old Value) × 100Find Percentage Decrease
((Old Value - New Value) ÷ Old Value) × 100(Obtained Marks ÷ Total Marks) × 100((Original Price - Sale Price) ÷ Original Price) × 100Who Can Use This Tool?
This Percentage Calculator is useful for:
- Students
- Teachers
- College Applicants
- Researchers
- Accountants
- Business Owners
- Financial Analysts
- Online Shoppers
- HR Professionals
Anyone who works with percentages can benefit from this tool.
Frequently Asked Questions
A Percentage Calculator is an online tool that helps calculate percentages, percentage increases, percentage decreases, marks percentages, discounts, and academic grade conversions quickly.
Divide the obtained marks by the total marks and multiply the result by 100.
Percentage = (Obtained Marks ÷ Total Marks) × 100Subtract the old value from the new value, divide by the old value, and multiply by 100.
Percentage Increase =
((New Value - Old Value) ÷ Old Value) × 100Subtract the new value from the old value, divide by the old value, and multiply by 100.
Percentage Decrease =
((Old Value - New Value) ÷ Old Value) × 100Many universities use the following formula:
Percentage = (SGPA × 10) - 7.5A commonly used formula is:
Always check your institution’s grading policy for accurate conversion.
Use the following formula:
Discount % =
((Original Price - Sale Price)
÷ Original Price)
× 100Yes. The Percentage Difference Calculator compares two values and shows the difference as a percentage.
Yes. The tool is completely free and can be used without registration.
Absolutely. Students can use it to calculate marks percentages, SGPA conversions, GPA conversions, and academic performance metrics.
Percentages are widely used in mathematics, finance, statistics, and education. To learn more about percentage concepts, formulas, and practical applications, visit the Percentage article on Wikipedia and the educational resources available on Khan Academy. These trusted sources provide in-depth explanations and examples to help users better understand percentage calculations.
Best Percentage Calculator Online – Calculate Marks, SGPA, GPA, Discounts & Percentages #1
Use our free Percentage Calculator to calculate percentages, marks percentage, SGPA to percentage, GPA conversion, percentage increase or decrease, and discounts instantly.
Price Currency: $
Operating System: All
Application Category: Application utilities