International Grade Scale Comparison Calculator
Convert a percentage score into approximate US letter grade, 4.0 GPA, UK degree class, German grade and ECTS grade.
Compare Your Options And Get Clear Answers
Convert a percentage score into approximate US letter grade, 4.0 GPA, UK degree class, German grade and ECTS grade.
International Grade Scale Comparison Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Your Score
Use the percentage you achieved in your system.
Map to Scales
The score is matched to typical bands in each grading system.
Check Official Rules
Universities and employers may use their own conversion tables.
Use As A Guide
Results are estimates based on your inputs. Check real quotes, rates and professional advice before deciding.
Grade Scale Equivalents
Approximate equivalents. Not official.
| Percentage | US Grade | UK Class | GPA |
|---|---|---|---|
| 90 β 100% | A | First | 4.0 |
| 80 β 89% | B | First / 2:1 | 3.0 β 3.7 |
| 70 β 79% | C | First / 2:1 | 2.0 β 2.7 |
| 60 β 69% | D | 2:1 / 2:2 | 1.0 |
| Below 60% | F | 2:2 / 3rd or lower | 0 |
| Rule of Thumb | UK 70% = First | US 90% = A | Ask for official conversion |
International Grade Scale Calculator FAQ
Answers to common questions about this calculator.
In the UK it is a first-class mark. In the US it is usually a C-, so context matters.
Countries use different marking cultures. UK universities rarely award marks above 80%, while US schools commonly do.
1.0 is the best and 4.0 is the lowest passing grade, with 5.0 failing.
No. Use your institution or credential evaluator for official equivalents.