Raise GPA calculator
Enter your cumulative GPA, the credits behind it and the GPA you want. You get the semester GPA you need, and if that is more than a 4.0, how long reaching it would actually take.
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The formula
Your cumulative GPA is total quality points divided by total GPA credits. To end at a target, the new credits have to bring in enough quality points to make up the difference:
needed = (target × (credits so far + new credits) − current GPA × credits so far) ÷ new credits
The answer is rounded up to the next hundredth, so the calculator never tells you a GPA is enough when it falls a fraction short.
A worked example
You have a 2.80 over 45 GPA credits and want a 3.00. You are taking 15 credits next semester.
Quality points you need in total: 3.00 × (45 + 15) = 180. Quality points you have: 2.80 × 45 = 126. The semester must bring 180 − 126 = 54, and 54 ÷ 15 = 3.60. That is between a B+ and an A- average.
Spread over two semesters (30 credits), it becomes (3.00 × 75 − 126) ÷ 30 = 99 ÷ 30 = 3.30, a B+ average. Choose “The next 2 semesters” to see that case.
When it is out of reach
If the answer is above the highest grade your school gives, no semester can do it on its own. The calculator then tells you two useful things instead: where a perfect semester leaves you, and how many credits of perfect grades the target would take.
credits needed at a 4.0 = credits so far × (target − current) ÷ (4.0 − target)
With a 2.50 over 90 credits and a target of 3.00, one 15-credit semester would need (3.00 × 105 − 225) ÷ 15 = 6.00. A perfect semester brings you to (225 + 60) ÷ 105 = 2.71. Reaching 3.00 takes 90 × 0.5 ÷ 1.0 = 45 credits of straight A’s, which is three full semesters.
A target equal to the top of the scale, such as a 4.0, can only be reached if every grade so far is already at the top.
Why credits so far matter
The same goal gets harder as credits pile up, because each new semester is a smaller share of the total. Going from 2.80 to 3.00 with a 15-credit semester:
- After 30 credits: (3.00 × 45 − 2.80 × 30) ÷ 15 = 51 ÷ 15 = 3.40 needed.
- After 90 credits: (3.00 × 105 − 2.80 × 90) ÷ 15 = 63 ÷ 15 = 4.20 needed, which a 4.0 scale can’t give in one semester.
So the cheapest time to lift a GPA is early. Late in a degree, a target often has to be spread over two or more semesters.
Other ways a GPA moves
- Retakes. If your school replaces a retaken grade, the old grade and its credits come out of the GPA, which can move it much faster than a new course. The college GPA calculator handles that case.
- Pass/fail. A pass adds no grade points, so it cannot raise a GPA. It only keeps a low grade out of it.
- Summer and extra courses. More graded credits at a high GPA move the average further. Add them to the credits you are taking.
High school student? Work out your current weighted or unweighted GPA with the high school GPA calculator, then come back with it.
Raise GPA calculator FAQ
What GPA do I need next semester to raise my GPA?
Multiply your target by your total credits after next semester, subtract your current GPA times your credits so far, and divide by next semester’s credits. The calculator does this and rounds the answer up.
How many credits does it take to raise my GPA?
At a perfect 4.0, it takes your credits so far times (target minus current GPA), divided by (4.0 minus target). From a 2.50 over 90 credits to a 3.00, that is 90 × 0.5 ÷ 1.0 = 45 credits.
Can I raise my GPA from 2.5 to 3.0 in one semester?
It depends on how many credits you already have. With 15 credits so far and 15 more, you need a 3.50. With 60 credits so far, you would need a 5.00, so it takes about two semesters of straight A’s.
Why does it say my target is not reachable?
The semester GPA you would need is above the highest grade your school gives. The result then shows where a perfect semester leaves you and how many credits of perfect grades the target takes.
Does retaking a class raise my GPA faster?
Often, if your school replaces the old grade, because the old grade’s credits leave the GPA. If your school averages both attempts, a retake counts like any other new course.
Does this calculator store my GPA?
No. The math runs in your browser. The numbers you type are not sent to any server and are not saved, so reloading the page clears them.
These calculators are made by Silent Student, a desktop app that helps with coursework in Canvas and other course platforms. See how it works.