Sri LankaPublic4.0 scale

Jaffna CGPA calculator

Free Jaffna CGPA calculator — semester GPA, running CGPA, and percentage planning on Sri Lankan University GPA (4.0). Nothing you type leaves your browser.

Loading calculator…

Step-by-step walkthrough

How to use the Jaffna CGPA calculator

Below is a visual guide for the Jaffna calculator. It shows exactly where to type course data, how grades map through Sri Lankan University GPA (4.0), and how your running result appears — no spreadsheet required.

Jaffna calculator preview — your grades use Sri Lankan University GPA (4.0). Results update live in the tool above.
  1. 1

    Select Semester GPA, CGPA, or Percentage

    Use Semester GPA for the current term at Jaffna, CGPA for your full running average across semesters, and Percentage only when you need a rough conversion figure for forms.

  2. 2

    Add courses from your transcript

    Press "+ Add Course" for each subject on your Jaffna registration. Course names are optional labels — credits and grades drive the calculation.

  3. 3

    Enter credits and letter grades

    Type credit hours exactly as on your portal, then choose the letter from the dropdown. Grades are pre-mapped to Sri Lankan University GPA (4.0) — out of 4.0 (A+ = 4.00).

  4. 4

    Read the live result bar

    The highlighted score at the bottom updates as you edit rows. Toggle Pro mode to plan target grades for next semester without leaving the page.

Worked example

  • Technical Writing4 cr · A+ (4.00 pts)
  • Biochemistry3 cr · A- (3.70 pts)

((4 × 4.00) + (3 × 3.70)) ÷ 7 = 3.87

Semester GPA: 3.87 / 4.00

Your data never leaves your device. The tool runs locally in JavaScript — ideal for quick checks on a public campus network without sharing personal results online.