The formula
GPA needed = (target × (credits so far + new credits) − current GPA × credits so far) ÷ new creditsYour GPA is total grade points divided by total credits. To reach a target, you need enough new grade points to bring the average up. The more credits you already have, the more new credits it takes.
Worked example
You have a 2.7 GPA over 60 credits and want a 3.0.
- Grade points now: 2.7 × 60 = 162
- Over the next 30 credits you'd have 90 credits in total, and a 3.0 needs 3.0 × 90 = 270 grade points.
- You need 270 − 162 = 108 grade points from 30 credits: 108 ÷ 30 = 3.6.
- At straight A's (4.0), it takes 60 × (3.0 − 2.7) ÷ (4.0 − 3.0) = 18 credits.
Over one 15-credit term, the same student would need a 4.2, which isn't possible on a 4.0 scale. That's why the result shows several time frames.
Ways to raise your GPA faster
- Retake low grades if your college replaces or excludes the old grade. One retaken F can do more than a term of new A's.
- Take a full load of classes you can do well in. More credits at a high GPA move the average further.
- Check what counts. Pass/fail courses and transfer credits often don't count in your GPA.
To work out a single term's GPA from letter grades, use the GPA calculator. To see if your GPA is competitive, read is my GPA good?
Common questions
- How do I calculate the GPA I need to raise my GPA?
- Multiply your target GPA by your total credits after next term, subtract your current grade points (current GPA × credits so far), and divide by next term's credits. With a 2.7 GPA over 60 credits and a 3.0 target, 30 more credits need (3.0 × 90 − 2.7 × 60) ÷ 30 = 3.6.
- How fast can I raise my GPA?
- It depends on how many credits you already have. The more credits behind your GPA, the more each new term is diluted. A 2.7 over 60 credits needs 18 credits of straight A's to reach 3.0. The same 2.7 over 120 credits needs 36.
- Can I raise my GPA from 2.5 to 3.0 in one semester?
- Usually only early on. With 30 credits at 2.5, you'd need about 4.0 over 15 credits. With 90 credits at 2.5, even a perfect 4.0 over 15 credits only gets you to about 2.71. The calculator shows this for your own numbers.
- Does retaking a class raise my GPA more?
- Often yes. Many colleges replace the old grade, or stop counting it, when you retake a course. That can lift your GPA faster than new credits. Policies differ, so check your registrar's grade replacement or forgiveness rules. This calculator assumes every grade counts.
- Does this work for high school GPA?
- Yes. Use credits per class (often 1 per year-long class or 0.5 per semester class) or simply the number of classes if each counts the same. For a weighted high school GPA, set the maximum to 5.0 under Options.