GPA Predictor
Enter your current GPA, credits completed and next semester's credits. Set a target to see the semester GPA you need, or check the table for where each result would leave you.
A 3.70 over 15 credits brings your cumulative GPA to 3.30.
(3.30 × 75 − 192) ÷ 15 = 3.70
Where next semester could leave you (15 credits)
| Semester GPA | Cumulative GPA | Change |
|---|---|---|
| 2.0 | 2.96 | −0.24 |
| 2.5 | 3.06 | −0.14 |
| 3.0 | 3.16 | −0.04 |
| 3.5 | 3.26 | +0.06 |
| 4.0 | 3.36 (meets target) | +0.16 |
Unweighted 4.0 scale, rounded to 2 decimal places. Shaded rows meet your target.
How the GPA predictor works
The predictor treats your current GPA and credits as quality points already earned, then adds next semester on top. The table estimates your future GPA for semester results from 2.0 to 4.0:
Projected GPA = (current GPA × current credits + semester GPA × semester credits) ÷ total credits
With a 3.20 over 60 credits and a 3.50 semester of 15 credits, the projection is (192 + 52.5) ÷ 75 = 3.26.
For a target, the same formula is solved for the semester GPA:
Needed GPA = (target × total credits − current quality points) ÷ next semester credits
To reach 3.30 from the same start: (3.30 × 75 − 192) ÷ 15 = 55.5 ÷ 15 = 3.70. A 3.50 target would need 4.70, which is above the 4.0 maximum, so the predictor shows the credits at 4.0 it would take instead: 60 × (3.50 − 3.20) ÷ (4.0 − 3.50) = 36 credits. Results are rounded to 2 decimal places.
Not sure what semester GPA your planned courses add up to? Turn expected letter grades into a semester GPA with the GPA calculator and compare it with the table. If your school grades on another scale, convert to 4.0 first with the GPA converter.
Why a high GPA is hard to change late
Every new semester is averaged with all the credits before it. The more credits you've completed, the smaller the share one semester has, so the same grades move your GPA less each year. That makes a low GPA harder to raise late on, and it also means a high GPA holds up better against one weak semester.
| Credits completed | 3.00, then a 4.0 semester | 3.60, then a 2.5 semester |
|---|---|---|
| 30 | 3.33 (+0.33) | 3.23 (−0.37) |
| 60 | 3.20 (+0.20) | 3.38 (−0.22) |
| 90 | 3.14 (+0.14) | 3.44 (−0.16) |
Each next semester is 15 credits.
How to raise your cumulative GPA
- Start early. A strong semester counts for most when you have the fewest credits behind you.
- Weigh courses by credits. A grade in a 4-credit course moves your GPA four times as much as the same grade in a 1-credit course, so plan your effort around credit-heavy classes.
- Track grades during the term. Check where each course stands with the grade calculator and work out the score you need with the final exam calculator while there's still time to act.
- Ask about repeat policies. Some schools replace a low grade when you retake the course, which can help more than new credits. Rules and limits vary, so check with your registrar first.
- Keep a realistic course load. Fewer credits taken well usually beats an overloaded semester with weaker grades.
These steps put more of the result in your control; they don't guarantee a particular GPA.
Projections assume an unweighted 4.0 scale where every credit counts once. Schools that weight honors grades, replace repeated courses, or leave out transfer and pass/fail credits will calculate differently, so these numbers are estimates and your official transcript is what counts.
Frequently asked questions
How accurate is a GPA prediction?
The arithmetic is exact: if you earn the semester GPA you enter, your cumulative GPA will be the number shown, apart from rounding. The uncertainty is in the grades themselves and in school rules such as grade replacement, so treat every result as a projection.
What if my target can't be reached next semester?
The predictor tells you how many credits at a 4.0 it would take instead. That total can be spread over several semesters. Enter the combined credits of the next two or three semesters as next semester credits to see the average GPA you'd need across them.
Can I estimate my GPA more than one semester ahead?
Yes. Put the total credits you expect to take over that period in the next semester credits box. The table then shows your cumulative GPA if you average each semester GPA across all of those credits.
How is this different from a cumulative GPA calculator?
A cumulative GPA calculator adds semesters you've already finished to the GPA you have. The predictor looks forward from that number. To update your GPA with grades that are already in, use the cumulative GPA calculator.
Does the GPA predictor work for high school?
Yes, for an unweighted GPA: use your high school credits, for example 0.5 for each one-semester class. Weighted high school GPAs add points for honors and AP classes in different ways, which the high school GPA calculator handles.