Extra Credit Calculator
Find out exactly how extra credit changes your grade. Enter your current grade and the extra credit offered, either as a percentage boost or raw points, and see your new grade instantly.
How Extra Credit Affects Your Grade
Extra credit works differently depending on how your teacher structures it. In a points-based course, extra credit points are added to your earned total before calculating your percentage. For example, 25 extra points on a 1,000-point course adds exactly 2.5% to your grade. In a percentage-based course, the bonus is applied directly. Either way, the closer you are to a letter grade boundary, the more impact even a small boost can have.
When Extra Credit Makes the Biggest Difference
Extra credit matters most when you sit just below a grade cutoff. Going from a 79% to an 80% moves you from a C+ to a B-, which can shift your GPA by 0.3 points and affect scholarship eligibility, academic standing, and graduate school applications. If you are already at a solid A, extra credit has less practical value. Focus your effort on opportunities that push you over the nearest boundary.
Which Mode Should You Use?
Use Grade % mode if your teacher has already told you your current percentage grade and is offering a straight percentage boost, for example "I'll add 3% to everyone's final grade." Use Points mode when you know your raw points earned and the extra credit is worth a specific number of bonus points on top of the course total. The points mode gives you the most precise result.
Frequently Asked Questions
How does extra credit affect my grade?
Extra credit adds bonus points or a percentage boost on top of your current grade. In points mode, the extra points are added to your earned total before dividing by the course total. In percentage mode, the bonus is added directly to your current percentage grade, usually capped at 100%.
Can extra credit push my grade above 100%?
It depends on your teacher. Some instructors allow grades above 100%, which can offset a low score elsewhere if your final grade is capped at 100% at the end. Others cap the extra credit so your grade cannot exceed 100%. The points mode in this calculator shows the true percentage without capping, so you can see the full impact.
Is extra credit worth doing?
Almost always yes, especially if your grade is close to a letter grade boundary. Moving from a 79% to an 82% changes a C+ to a B-, which can matter for GPA, scholarships, or grad school applications. Even small amounts of extra credit compound when your course grade is close to a cutoff.
How do I know how many extra credit points I need to raise my grade?
Use the points mode. Enter your current points earned, the total course points, and experiment with the extra credit field until the new grade reaches your target. This tells you exactly how many extra credit points you need.