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  1. Home
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  3. CGPA Calculator

CGPA Calculator

Calculate your CGPA on the 10-point scale and instantly convert it to percentage and US 4.0 GPA. Free online CGPA calculator for college and university students.

What is CGPA Calculator?

A CGPA calculator lets you calculate your Cumulative Grade Point Average on the standard 10-point scale used by most Indian, Pakistani, and many other international university systems, then instantly convert it to an equivalent percentage and US 4.0-scale GPA. Enter each semester's SGPA (Semester Grade Point Average) along with its credit hours, and the calculator computes your overall CGPA as a credit-weighted average, plus both common conversions.

CGPA is the standard academic performance metric used across most universities in India, Pakistan, and several other countries, but many international applications — study-abroad programs, job applications, and scholarship forms — require converting it to a percentage or to the US 4.0 GPA scale that international institutions recognize. This creates a frequent, practical need for students to accurately convert between these systems.

This calculator is useful for students tracking their cumulative academic performance across semesters, for those applying to international universities or jobs that require a GPA equivalent, and for anyone who needs to quickly understand what their CGPA means in percentage or US GPA terms.

Formula

CGPA (Cumulative Grade Point Average):
 
CGPA = Σ(SGPA × credits) / Σ(credits)
 
Where each semester's SGPA is multiplied by its credit hours, summed across all semesters, and divided by total credit hours.
 
Percentage Conversion:
Percentage = CGPA × 9.5
 
US GPA Conversion (4.0 scale):
US GPA = CGPA ÷ 2.5
 
Example:
Semester 1: SGPA 8.5, 20 credits → 170 points
Semester 2: SGPA 8.0, 22 credits → 176 points
Semester 3: SGPA 8.8, 21 credits → 184.8 points
 
CGPA = (170 + 176 + 184.8) / (20+22+21) = 530.8 / 63 = 8.42
Percentage = 8.42 × 9.5 = 80.0%
US GPA = 8.42 / 2.5 = 3.37

How to Calculate

  1. Enter the name of your first semester (optional, for your own reference).
  2. Enter that semester's SGPA on the 10-point scale.
  3. Enter the number of credit hours for that semester.
  4. Click "+ Add Semester" to add every other semester you want included in your CGPA calculation.
  5. Your CGPA, equivalent percentage, and equivalent US GPA update instantly as you enter data.
  6. Compare your CGPA to the reference table to see common conversion values at a glance.

Example

A student has three semesters: Semester 1 with SGPA 8.5 (20 credits), Semester 2 with SGPA 8.0 (22 credits), and Semester 3 with SGPA 8.8 (21 credits). Total points = (8.5×20) + (8.0×22) + (8.8×21) = 170 + 176 + 184.8 = 530.8. Total credits = 63. CGPA = 530.8 / 63 = 8.42, which converts to 80.0% and a US GPA of 3.37.

Key Benefits

  • Instantly calculates cumulative CGPA on the standard 10-point scale
  • Automatically converts CGPA to percentage and US 4.0 GPA
  • Supports unlimited semesters with individual credit weighting
  • Visual bar chart comparing SGPA across your semesters
  • Built-in CGPA-to-percentage-to-GPA conversion reference table
  • No registration or installation required
  • Useful for both domestic academic tracking and international applications

Common Mistakes to Avoid

  • Forgetting to include a semester's credit hours, which causes it to be weighted incorrectly in the CGPA calculation
  • Confusing SGPA (a single semester) with CGPA (cumulative across all semesters) when entering or reporting values
  • Assuming the ×9.5 percentage conversion formula applies universally — some universities use different official formulas
  • Treating the US GPA ÷ 2.5 conversion as an exact official equivalency rather than a common approximation
  • Entering percentage or raw marks instead of the SGPA value (0-10 scale) in the SGPA field
  • Not double-checking a university-issued CGPA-to-percentage conversion certificate against the calculator's estimate for official purposes

Pro Tips

  • Always use your official transcript's exact SGPA values and credit hours for the most accurate CGPA calculation
  • If you're applying abroad, check whether the receiving institution has its own preferred CGPA conversion method before relying solely on the ×9.5 formula
  • Remember that a semester with more credits has a bigger impact on your CGPA — factor this in in when estimating how a tough semester might affect your overall standing
  • For official documents like WES (World Education Services) evaluations, always request an official conversion certificate rather than relying on a calculator estimate alone
  • Track your CGPA every semester to catch calculation discrepancies early, rather than only checking it before graduation

Key Terms Explained

CGPA (Cumulative Grade Point Average)
The credit-weighted average of SGPA across all semesters completed, expressed on a 10-point scale.
SGPA (Semester Grade Point Average)
A student's grade point average for a single semester, expressed on the same 10-point scale as CGPA.
Credit Hours
A numeric value representing the weight or workload of a course or semester, used to proportionally weight it in CGPA calculations.
10-Point Scale
The grading scale (0 to 10) used by CBSE and most Indian universities, as opposed to the US 4.0 scale.
Percentage Equivalency
The percentage score that a CGPA converts to, commonly calculated as CGPA × 9.5.
US GPA Equivalency
The approximate US 4.0-scale GPA that a CGPA converts to, commonly calculated as CGPA ÷ 2.5.
Grade Conversion Certificate
An official document issued by a university or evaluation service converting CGPA to percentage or GPA for international purposes.

Common Use Cases

  • Tracking cumulative academic performance across multiple semesters
  • Converting CGPA to a percentage for job applications or government forms
  • Converting CGPA to US 4.0 GPA for study-abroad or international university applications
  • Estimating how a future semester's SGPA will affect your overall CGPA
  • Verifying a university-calculated CGPA against your own semester records
  • Understanding CGPA requirements stated in scholarship or admission criteria

Interpreting Your Results

Your CGPA represents the credit-weighted average of your academic performance across every semester you entered, expressed on the standard 10-point scale — a CGPA of 10 represents perfect academic performance, while most competitive programs and employers look for a CGPA of 7.5 or higher. The percentage and US GPA conversions shown are widely-used approximations, not universally standardized official values — different universities and evaluation services may use slightly different formulas, so always verify against your specific institution's official conversion policy when the result affects an application, visa process, or legal document. Because CGPA is credit-weighted, don't assume a single strong semester will dramatically raise your overall CGPA — if that semester has fewer credits than your total, its impact on your cumulative CGPA will be proportionally smaller than a semester with more credit hours.

Related Concepts

GPA Calculator
A related tool for calculating a cumulative GPA on the standard US 4.0 scale directly from letter grades — see our GPA calculator.
Grade Calculator
Useful for calculating a single course's weighted grade from individual assignment categories — see our grade calculator.
Letter Grade Calculator
Converts a percentage score into its equivalent letter grade — see our letter grade calculator.
SGPA
The semester-level building block that CGPA is calculated from, representing a single term's grade point average.
Grade Conversion Certificate
An official evaluation service document that formally converts CGPA into percentage or GPA for international academic or immigration purposes.

Frequently Asked Questions

How is CGPA calculated?
CGPA is the credit-weighted average of your SGPA (Semester Grade Point Average) across all semesters. Each semester's SGPA is multiplied by its credit hours, these are summed across all semesters, and the total is divided by the total credit hours.
How do I convert CGPA to percentage?
The most widely used formula, published by CBSE and used by most Indian universities, is: Percentage = CGPA × 9.5. For example, a CGPA of 8.0 converts to 8.0 × 9.5 = 76%.
How do I convert CGPA to a 4.0 US GPA?
A common conversion is: US GPA = CGPA ÷ 2.5. For example, a CGPA of 8.0 converts to 8.0 ÷ 2.5 = 3.2 on the US 4.0 scale. Note that different universities may use slightly different conversion methods, especially for official transcripts.
What is the difference between SGPA and CGPA?
SGPA (Semester Grade Point Average) measures your performance in a single semester, while CGPA (Cumulative Grade Point Average) is the credit-weighted average of your SGPA across all semesters completed so far.
Is the CGPA-to-percentage formula the same everywhere?
No. The ×9.5 formula is the most common one (used by CBSE and many Indian universities), but some universities use their own official conversion tables or formulas. Always check your specific university's conversion policy for official purposes like study-abroad applications.

Related Tools

Grade Calculator
GPA Calculator
Final Exam Grade Calculator
Letter Grade Calculator
Attendance Calculator
Test Score Calculator

Enter each semester's SGPA (on the 10-point scale) and credit hours. Your CGPA is the credit-weighted average of all semester SGPAs.

CGPA
0.00
Equivalent Percentage
0%
Equivalent US GPA
0.00
Total Credits
0

CGPA Conversion Reference

CGPAPercentageUS GPA (4.0 Scale)
10.095.0%4.00
9.590.3%3.80
9.085.5%3.60
8.580.8%3.40
8.076.0%3.20
7.571.3%3.00
7.066.5%2.80
6.561.8%2.60
6.057.0%2.40
5.552.3%2.20
5.047.5%2.00