GradeAtlas Conversion Methodology & Accuracy Standards
How we build, verify, and maintain the most accurate database of international grading systems.
Transparency First
We never "guess" a grade band. Every value in our database is mapped to a public institutional source.
Verified Tiers
Data is tiered by verification status: official university record, national default, or community report.
Continuous Updates
Educational systems evolve. Our pipeline monitors for changes in national qualification frameworks.
The Data Pipeline
Discovery
We monitor official university registrar pages, ministries of education, and national qualification frameworks.
Extraction & Normalization
Raw data is extracted and mapped to a canonical 4.0 GPA scale using a standardized mathematical model.
Conflict Resolution
When sources disagree, primary institutional sources (the university itself) always override third-party databases.
Publication
Only verified scales are used in our live calculators and country guide directories.
Help us improve the database
Spotted an outdated scale or a missing university? Our data team verifies community reports every 24 hours.