Convert obtained marks and total marks into a percentage, or work backwards from a target percentage.
Divide obtained marks by total marks, then multiply by 100: Percentage = (Obtained / Total) × 100. Switch to "Marks → Percentage" mode above and enter both numbers to get it instantly.
They're the traditional merit bands used by Pakistani boards and universities: 60%+ is 1st Division, 45–59.9% is 2nd Division, 33–44.9% is 3rd Division, and below 33% is a Fail.
Switch to "Percentage → Marks" mode, enter your target percentage and the total marks — the calculator applies Marks needed = (Target% / 100) × Total and also shows how much margin that leaves.