Convert your academic grades between any international grading system. Supporting 15+ countries including USA, UK, Europe, Australia, and more with precise, standards-compliant calculations.
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Select your grading system and enter your CGPA to get accurate percentage conversion
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We support the most widely used academic grading standards worldwide
Standard 4.0 GPA scale used by most North American universities
0.0 - 4.0European Credit Transfer System with letter grades A-F
ECTS GradesIndia, Pakistan, China, Japan, Singapore grading systems
Multiple ScalesHonours degree classification system from First to Third Class
ClassificationsHD to F grading scale used across Australian universities
HD - FConvert your grades in three simple steps
Choose your country or institution's grading system from our comprehensive list
Input your current CGPA or GPA value that you want to convert
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Apply your converted grades for applications, jobs, and more
Expert articles on grade conversion, GPA, and international education systems
Built for accuracy, designed for simplicity
Supports 15+ countries and all major international grading systems for seamless conversions.
Get accurate grade conversions instantly with our fast, user-friendly calculator.
No data is stored or shared. All calculations happen securely in your browser for total privacy.
Uses official formulas and standards recognized by universities and credential evaluators worldwide.
Converting academic grades between different international systems can be challenging due to the variety of grading scales used worldwide. Our CGPA to Percentage converter simplifies this process by providing accurate conversions based on internationally recognized standards.
Whether you're applying to universities abroad, seeking international employment, or transferring credits between institutions, accurate grade conversion is essential. Here's why:
We use standardized formulas recognized by educational institutions worldwide. Our conversions are based on official guidelines from universities, educational ministries, and credential evaluation services such as WES (World Education Services), NACES members, and UNESCO's ENIC-NARIC network.
For most grading systems, we apply the direct proportion method or specific institutional formulas. For example, a 4.0 scale typically converts using: (GPA ÷ 4.0) × 100 = Percentage, while a 10.0 CGPA scale commonly uses: CGPA × 10 = Percentage or CGPA × 9.5 = Percentage depending on the institution.
The 4.0 GPA scale originated in the United States in the 1940s and is now used globally.
Everything you need to know about converting grades between international systems
Our converter uses standardized formulas recognized by international educational institutions and credential evaluation services like WES and ECE. While individual universities may have slight variations, our conversions are reliable for most academic and professional purposes.
We support 15+ major grading systems including: US/Canada 4.0 GPA, India 10.0 CGPA, Pakistan HEC 4.0 GPA, European ECTS (A-F), UK Degree Classifications, Australian 7-point scale, German 1.0-5.0, French 20-point, Japanese S-F grades, Singapore CAP, and more.
Yes, absolutely! cgpatoopercentage is 100% free with no registration, no hidden fees, and no premium features. We believe educational tools should be accessible to everyone, regardless of financial situation.
Our conversions are ideal for preliminary planning and unofficial purposes. For official applications to universities or employers, verify requirements with the receiving institution or use credential evaluation services like WES, ECE, or NACES members.
For a 4.0 scale: GPA = (Percentage / 100) × 4.0. For a 10.0 CGPA: CGPA = Percentage / 10. Example: 85% = 3.4 GPA (4.0 scale) or 8.5 CGPA (10.0 scale). Some institutions use specific conversion tables.
No. All calculations happen directly in your browser using JavaScript. We do not store, collect, or share any grade data you enter. Your academic information remains completely private and is never transmitted to our servers.
Grading systems evolved independently based on each country's educational philosophy and history. The US adopted the 4.0 GPA in the 1940s, while European ECTS was created in 1989 for mobility. India, UK, and others developed systems suited to their academic traditions.
The most common formula is: Percentage = CGPA × 9.5 (used by CBSE and many universities). Some institutions use CGPA × 10 or have their own conversion tables. Always verify with your specific institution for official purposes.
