Free Grade Conversion Calculator
Convert between GPA 4.0, GPA 4.3, CGPA 10-point, percentage, and US or UK letter grades instantly. Includes a full conversion reference table and notes on what WES and NUFFIC actually do. No login required.
Grade Converter
Select the source and target grading systems, enter your grade, and click Convert.
Grade Equivalency Reference Table
Approximate equivalencies across major grading systems. Actual conversions vary by institution.
| US Letter | GPA 4.0 | GPA 4.3 | Percentage | UK Class | CGPA/10 |
|---|---|---|---|---|---|
| A+ | 4.0 | 4.3 | 97–100% | First | 9.5 |
| A | 4.0 | 4.0 | 93–96% | First | 9.0 |
| A- | 3.7 | 3.7 | 90–92% | First | 8.5 |
| B+ | 3.3 | 3.3 | 87–89% | 2:1 | 8.0 |
| B | 3.0 | 3.0 | 83–86% | 2:1 | 7.5 |
| B- | 2.7 | 2.7 | 80–82% | 2:1 | 7.0 |
| C+ | 2.3 | 2.3 | 77–79% | 2:2 | 6.5 |
| C | 2.0 | 2.0 | 73–76% | 2:2 | 6.0 |
| C- | 1.7 | 1.7 | 70–72% | 2:2 | 5.5 |
| D+ | 1.3 | 1.3 | 67–69% | Third | 5.0 |
| D | 1.0 | 1.0 | 63–66% | Third | 4.5 |
| D- | 0.7 | 0.7 | 60–62% | Third | 4.0 |
| F | 0.0 | 0.0 | 0–59% | Fail | 0.0 |
Grade Conversion: Why It Matters and Why It Is Not Simple
Grade conversion is needed whenever a student or professional trained in one educational system applies to an opportunity in a different system. International students applying to US graduate programmes need to convert their CGPA or percentage to a 4.0 GPA equivalent. Students applying to UK universities need their grades converted to the UK degree classification framework. Professionals seeking credential recognition for immigration, licensure, or employment need evaluated transcripts that map their foreign credentials to domestic equivalents. Despite how common this need is, there is no internationally standardised conversion formula, every conversion is an approximation.
Why WES, NUFFIC, and ICAS Do Not Use Simple Formulas
Credential evaluation agencies like World Education Services (WES), NUFFIC in the Netherlands, and ICAS in Ireland employ researchers who study the grading scales, academic standards, and institutional contexts of specific universities before converting a transcript. A 70% from a highly selective Indian institution evaluated under relative grading may represent significantly stronger academic achievement than a 70% from a less selective institution using generous absolute grading. WES maintains a database of over 50,000 institutions with documented grading scales and conversion guidelines. The output of a professional evaluation is not the result of multiplying a number by a formula, it is a contextual judgement informed by institutional research. Students who understand this are better equipped to present their academic records in context rather than leading with a converted number that may not reflect their actual standing.
Common Conversion Tables Used in Practice
Despite the limitations of simple formulas, certain conversion tables are widely used as working approximations. The CBSE-published formula for converting CGPA-10 to percentage (multiply by 9.5) is the most commonly cited for Indian secondary records. The WES Canada conversion for most South Asian universities treats 60% as equivalent to a US B (3.0/4.0). The AAMC medical school conversion for GPAs uses 90-100% as A, 80-89% as B, 70-79% as C, and 60-69% as D, though individual medical schools may apply different cutoffs. For UK degree classifications, a First Class typically requires 70%+, 2:1 requires 60-69%, 2:2 requires 50-59%, and Third requires 40-49% , though again, these cutoffs vary by institution and faculty.
How Institutions Manage Grading and Transcripts at Scale
For universities processing thousands of transcripts each semester, from students on exchange programmes, transfer students, and international applicants, the manual verification of foreign grading scales is a significant administrative challenge. Modern student information systems handle this by storing the grading scale for each external institution in the system, automatically applying the appropriate conversion when evaluating transfer credits, and flagging transcripts that require manual review because the institution has not been previously catalogued. This reduces the time registrar staff spend on grade conversion from hours to minutes per case, while maintaining accurate equivalency records in the student's cumulative academic file.
Related Free Tools
Frequently Asked Questions
Common questions about grade conversion, GPA scales, WES evaluation, and why no single conversion formula works universally.
Manage Grades, Transcripts, and Academic Records in One Platform
OpenEduCat's gradebook and examination management modules connect grade entry, automated GPA calculation, and official transcript generation, no manual conversions or spreadsheet exports required.