IBA GPA Calculator — Semester GPA, CGPA & Relative Grading (Official Scale)

Calculate your IBA Karachi GPA exactly the way the official scale works — the Spring-2010 fixed grade table (A 4.00 down to F 0.00, with no D grade at all ), the 59% fail cliff, the boundary gap zones that other calculators quietly round away, and IBA's opt-in relative-grading distribution. Three tools: semester GPA from marks or letters, a CGPA tracker, and the relative-grading seat simulator — the only calculator that maps your class rank to IBA's published grade bands. Free, no sign-up, works on any device. Read this first — three facts shape everything below: (1) IBA's official scale has no D grade — 59% and below is an F (0.00); 60% is a C− (1.67). (2) The published bands have gaps : 71.5% and 86.5% fall between bands, and no rounding rule was verified — so this calculator warns instead of rounding . (3) Instructors may opt into relative grading (top 10–20% → A/A−, next 65–75% → B+/B) — never in classes of 30 or fewer. Standing, graduation, retake and honours rules are de…