Calculate semester GPA, cumulative GPA, weighted GPA with AP/IB/Honors, and find out exactly what grade you need on your final. Free, no signup.
| Course Name | Grade | Credits | Type |
|---|
| Course Name | Grade | Credits | Type |
|---|
The 4.0 scale is the standard for US high schools and universities. Plus/minus grades add specificity — an A- is 3.7 points, not 4.0. This difference is significant when calculating GPA: a student who earns all A- grades ends up with a 3.7 GPA, not a 4.0.
| Letter Grade | Percentage | GPA Points | +1.0 (AP/IB) |
|---|---|---|---|
| A+ | 97–100% | 4.0 | 5.0 |
| A | 93–96% | 4.0 | 5.0 |
| A- | 90–92% | 3.7 | 4.7 |
| B+ | 87–89% | 3.3 | 4.3 |
| B | 83–86% | 3.0 | 4.0 |
| B- | 80–82% | 2.7 | 3.7 |
| C+ | 77–79% | 2.3 | 3.3 |
| C | 73–76% | 2.0 | 3.0 |
| C- | 70–72% | 1.7 | 2.7 |
| D+ | 67–69% | 1.3 | 1.3 |
| D | 63–66% | 1.0 | 1.0 |
| D- | 60–62% | 0.7 | 0.7 |
| F | 0–59% | 0.0 | 0.0 |
| GPA Range | Letter | Classification |
|---|---|---|
| 3.9–4.0 | A | Summa Cum Laude |
| 3.7–3.89 | A- | Magna Cum Laude |
| 3.5–3.69 | B+ | Cum Laude |
| 3.0–3.49 | B | Good Standing |
| 2.5–2.99 | B-/C+ | Satisfactory |
| 2.0–2.49 | C | Minimum Standing |
| Below 2.0 | D/F | Academic Probation |
💡 Weighted GPA note: For AP and IB courses, schools typically add 1.0 to the grade points, allowing a maximum weighted GPA of 5.0. Honors courses usually add 0.5. However, this varies by school — some schools only weight AP/IB, and some don't weight at all. Always check your school's specific policy.
GPA is a credit-weighted average of your grade points, not a simple average. This means a course worth 4 credits has twice the impact on your GPA as a course worth 2 credits.
Grade Points for each course = the letter grade's point value × the number of credit hours.
| Course | Grade | Credits | Points × Credits |
|---|---|---|---|
| Calculus | A (4.0) | 4 | 16.0 |
| English Lit | B+ (3.3) | 3 | 9.9 |
| Chemistry | A- (3.7) | 4 | 14.8 |
| History | B (3.0) | 3 | 9.0 |
| Totals | 14 | 49.7 |
GPA = 49.7 ÷ 14 = 3.55
Students often make the mistake of averaging semester GPAs to find their cumulative GPA. This only works if every semester had the same number of credit hours. If Semester 1 had 12 credits and Semester 2 had 18 credits, Semester 2 should carry more weight in the cumulative average. The correct method is to use total quality points ÷ total credit hours across all semesters — which is what the Cumulative GPA tab above does automatically.
Raising your GPA gets harder the more credits you've completed. This is because your existing grades already represent a large pool of quality points — new semesters have diminishing influence on the cumulative GPA.
| Credits Completed | Semester Credits | All A's Semester GPA = 4.0 | New Cumulative GPA (from 2.5) |
|---|---|---|---|
| 30 credits done | 15 new credits | 4.0 semester | ≈ 2.83 |
| 60 credits done | 15 new credits | 4.0 semester | ≈ 2.73 |
| 90 credits done | 15 new credits | 4.0 semester | ≈ 2.68 |
| 120 credits done | 15 new credits | 4.0 semester | ≈ 2.66 |
Key insight: Starting from a 2.5 GPA, even earning straight A's for a full semester only moves you to around 2.83 after 30 credits. This is why GPA recovery is a multi-semester commitment, and why it's so important to protect your GPA in early semesters before you have many credits to average against.
💡 Most effective GPA strategies: Retake courses where you received a D or F if your school allows grade replacement. Focus on high-credit courses for maximum impact. Consider taking easier electives to build a buffer. And use the Grade Needed calculator above to know exactly what you need on finals before you stop studying.
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