GPA Calculators

GPALab guides

Plain-language answers to gpa calculators questions, written from the same sourced data behind GPALab. Every guide lists its sources and the date it was last updated.

Updated June 10, 2026
What is the difference between a weighted and unweighted GPA?
Unweighted GPA caps every course at 4.0; weighted GPA adds 0.5 for honors and 1.0 for AP or IB courses, so a demanding schedule can score above 4.0.

GPALab guides

What is the difference between a weighted and unweighted GPA?