Sources & Attributions
The International GPA Calculator uses publicly available guidance and licensed data from authoritative educational sources. This page provides comprehensive attribution and licensing information.
Important Disclaimer
The International GPA Calculator is an independent tool and is not affiliated with, endorsed by, or sponsored by any of the organizations listed below. All trademarks, service marks, and organization names are the property of their respective owners.
Primary Data Source
The "U.S. Higher Education Standards" grading reference option in our calculator uses conversion data from the following free, publicly available resource:
NCAA Guide to International Academic Standards for Athletics Eligibility
The NCAA publishes an annual free public guide that provides international grade conversion standards for student-athlete eligibility. Our calculator's built-in conversion data is based on the publicly available information from this guide.
Additional Referenced Sources
The following organizations publish authoritative guidance on international education systems. We reference their publicly available materials for methodology validation and general guidance, but do not reproduce their copyrighted or proprietary content.
AACRAO (American Association of Collegiate Registrars and Admissions Officers)
AACRAO publishes "AACRAO Edge" (a proprietary subscription product) and provides comprehensive guides on international education systems. We do not have access to or reproduce their proprietary conversion formulas or licensed datasets. Users with their own AACRAO Edge subscriptions can use our calculator as a computational tool with their own reference data.
ECE (Educational Credential Evaluators)
ECE provides credential evaluation services and publishes "ECE Connection Advantage" (a proprietary subscription product) with international education system information. We do not have access to or reproduce their proprietary conversion formulas or licensed datasets. Users with their own ECE subscriptions can use our calculator as a computational tool with their own reference data.
WENR (World Education News + Reviews)
Published by World Education Services (WES), WENR provides comprehensive education system profiles, global education trends, and research on international academic standards. We reference their publicly available educational materials and country-specific grading system information.
Open Licensed Data Sources
The following sources provide data under open licenses. We use their data in accordance with the specified license terms and provide proper attribution.
UNESCO Institute for Statistics
Data on global education systems, enrollment statistics, and educational indicators.
World Bank Education Statistics
Education statistics, global development indicators, and country-specific educational data.
Wikipedia
Educational content on global education systems, grading scales, and country-specific academic information.
Additional Information
Proprietary Data Disclaimer
This tool does not use, access, or reproduce any proprietary datasets, conversion tables, or licensed materials from AACRAO, NCAA, WES, ECE, or other credential evaluation services. Our conversion algorithms are independently developed using open-licensed data sources (UNESCO Institute for Statistics, World Bank Education Statistics, Wikipedia) and publicly available academic research on international education systems.
Methodology
Our GPA conversion methodology synthesizes publicly available guidance from multiple authoritative sources. We do not reproduce copyrighted materials but instead develop our own conversion algorithms based on publicly available standards and open-licensed data.
Updates & Corrections
We regularly review and update our data sources to ensure accuracy. If you identify any attribution errors or have questions about our use of specific sources, please contact us.
Third-Party Trademarks
All trademarks, service marks, trade names, and logos referenced on this page are the property of their respective owners. Their use here does not imply any affiliation with or endorsement by these organizations.