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Pick a calculator. On the homepage, links follow your location. Open a country page when you need that country’s scale.
Grade tests quickly by number of questions and wrong answers.
Calculate test scores from correct answers or wrong answers.
Calculate weighted course averages from assignments and exams.
Find what score you need on your final exam.
Calculate your Canvas LMS course grade from weighted assignment groups.
Find what score you need on your End-of-Course exam to reach your target grade.
Calculate semester GPA from course grades and credit hours.
Combine multiple semesters into an overall GPA.
Calculate weighted GPA with Honors (+0.5) and AP/IB (+1.0) course bonuses.
Find what GPA you need in future courses to reach your target GPA.
Calculate high school GPA by semester or quarter with optional weighted courses.
Calculate college semester GPA from course grades and credit hours.
Predict First, 2:1, 2:2, or Third from credit-weighted UK module marks.
Combine semester SGPA values and credits into an overall credit-weighted CGPA.
Calculate semester SGPA / CGPA from course grades and credits on India 10-point or Pakistan HEC scales.
Convert a percentage score to a letter grade and GPA points.
Convert a letter grade to its percentage equivalent and GPA points.
Estimate an Australian ATAR from scaled subject scores (educational model). Does not convert ATAR to US GPA, university GPA, or UK degree class.
Convert a percentage to the England 9–1 GCSE scale (educational boundaries).
Convert CGPA to percentage (and back) for India CBSE/UGC and Pakistan HEC formulas.
Convert percentage marks to CGPA using India CBSE/UGC or Pakistan HEC formulas.
Convert Indian 10-point CGPA to an estimated US 4.0 GPA for planning applications abroad.
Convert McMaster University's 12-point GPA to a US 4.0 equivalent using McMaster's official lookup table — not ÷3.
See how a UK First / 2:1 / 2:2 / Third might compare to a US 4.0 scale for planning only — not instructions to self-report on applications.