Free GPA Calculator

Calculate your semester or cumulative GPA on a 4.0 scale. Add up to 10 courses with letter grades and credits.

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Result
Enter your details on the left, then press Calculate.

What is this calculator for?

It's finals week of your sophomore year, you have a 3.42 GPA, and you want to know what grades you need this semester to push it to a 3.5 by year-end. Or you're applying to graduate programs and the application asks for your GPA on a 4.0 scale, but your undergraduate institution used a 5.0 scale. Or you're a parent helping your high school junior figure out which AP class drops to bring up the overall — does an A in AP Calculus offset a B+ in AP History on the weighted scale. The GPA calculator handles all three.

US GPA is typically reported on a 4.0 scale: A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0. Plus and minus modifiers add ±0.3 (A- = 3.7, B+ = 3.3, etc.). Schools that use a 4.33 scale give A+ a 4.33 instead of capping at 4.0 — minor difference but matters for valedictorian rankings. Weighted GPA scales (common for AP and honors courses in high school) add 0.5-1.0 to AP and honors grades, allowing GPAs above 4.0 (some students graduate with 4.8+ weighted GPAs).

This calculator handles both unweighted (true 4.0 cap) and weighted (with AP/honors bonuses) GPA calculations. It can compute current-semester GPA, cumulative GPA across multiple semesters, and a "what-if" projection: if you need a specific cumulative GPA by end of year, what semester GPA do you need.

How to use this calculator

Enter your courses with: course name (optional), letter grade, and credit hours (or unit count for high school). The calculator weights each grade by credit hours — a 4-credit course with an A counts more than a 1-credit course with the same A.

For weighted GPA (common in US high schools): mark which courses are AP, IB, or honors. The calculator adds the appropriate bonus (typically +1.0 for AP/IB, +0.5 for honors) to those grades. Note: weighted GPA is rarely used for graduate school applications (which want unweighted); always know which version your application asks for.

For cumulative GPA across semesters: enter each semester's courses separately, or sum all completed courses. The cumulative is the credit-weighted average across all coursework, not the average of semester GPAs.

For "what-if" planning: enter your current cumulative GPA and total credits completed, then your target GPA. The calculator computes the semester GPA you need to hit on a specific upcoming credit load to reach the target.

Understanding your results

The calculator returns your semester GPA (for the courses you entered), cumulative GPA (if you specified prior credits and GPA), and for "what-if" mode, the required semester GPA to hit your target.

Reading the numbers. Most US graduate programs require a minimum 3.0 cumulative GPA for admission. Competitive programs (top medical, top law, top PhD) typically expect 3.7+. Honors latin (Latin) at graduation: cum laude (top 25-35%), magna cum laude (top 10-15%), summa cum laude (top 1-5%) — exact thresholds vary by institution. Dean's List typically requires 3.5+ semester GPA.

The pull-up math. Bringing up a cumulative GPA gets progressively harder as you accumulate more credits. Going from 3.0 to 3.5 takes a much larger semester effort if you have 60 credits completed than if you have 12. Specifically: target GPA × (current credits + new credits) − current GPA × current credits = required grade points on new credits. For a 60-credit student at 3.0 cumulative aiming for 3.5 cumulative: needs 3.5 × 75 − 3.0 × 60 = 262.5 − 180 = 82.5 grade points on 15 new credits = 5.5 GPA on next semester (impossible without weighted GPA bonuses).

The senior-year math problem. Many students realize in junior or senior year they've under-performed and try to "pull up" the cumulative — and discover the math is brutal because their poor early grades are already locked in. The lesson taught (often too late): the GPA you graduate with is shaped most by your freshman and sophomore years; trying to fix it senior year is mathematically frustrating. Best strategy if cumulative is below target by mid-college: focus on demonstrating strong upward trajectory (grade-by-grade improvement) and explain context in applications, rather than trying to mathematically catch up.

A worked example

Priya is a junior at a state university, applying to grad school next year. Cumulative GPA after 5 semesters: 3.42 across 70 credits. She wants 3.5 cumulative by graduation (28 more credits across 4 semesters).

Required grade points: 3.5 × 98 = 343 total. Current grade points: 3.42 × 70 = 239.4. Needed in next 28 credits: 343 − 239.4 = 103.6. Required GPA on remaining 28 credits: 103.6 / 28 = 3.7. Achievable but requires sustained improvement.

This semester (16 credits): she's taking Statistics 4 cr, Microbiology 4 cr, Spanish III 3 cr, English seminar 3 cr, Religion elective 2 cr. Her course history suggests she's a stronger humanities student than science. If she gets A in Spanish (4.0 × 3 = 12), A- in English (3.7 × 3 = 11.1), A in Religion (4.0 × 2 = 8), B+ in Statistics (3.3 × 4 = 13.2), B in Microbiology (3.0 × 4 = 12) — total 56.3 grade points / 16 credits = 3.52 semester GPA. Below the 3.7 she needs sustained.

She decides to focus harder on the science courses (where her grades have been B-range): joins study groups for Statistics and Microbiology, attends professor office hours twice weekly. The result: B+ Microbiology becomes A- (3.7); B+ Statistics holds at B+. New semester GPA: 60.1 / 16 = 3.76. Above the 3.7 target.

If she replicates this for the remaining 3 semesters (12 more credits each at ~3.7 GPA), cumulative will reach roughly 3.49 — close to 3.5 but just shy. If she pushes slightly harder (3.75+ semester average for 4 semesters), she lands at 3.52 cumulative.

The realistic outcome: by graduation, after focused effort, she's at 3.51 cumulative. Her grad school applications use this. Many programs would have accepted her with 3.4 (the trajectory matters more than the absolute number — strong upward trend across junior and senior year is impressive). The "what-if" math motivated focused improvement; the actual outcome was a meaningful GPA boost combined with demonstrated growth trajectory.

Related resources

For specific upcoming exam strategy, see Grade Calculator (compute what you need on a final to hit a class grade). For college cost planning context, the College Net Price Calculator, Pell Grant Estimator, and Student Loan Calculator. For long-term post-college income context, the Salary Converter. The National Center for Education Statistics publishes US data on average GPAs by institution type, graduation rates, and other relevant context.

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Frequently asked questions

How is weighted GPA calculated?

Multiply each course's letter-grade value by its credit hours, sum these grade points, then divide by total credit hours. A 4-credit A (4.0 × 4 = 16) weighs the average more than a 1-credit A (4.0 × 1 = 4).

Are A+ and A both 4.0?

Most US universities cap the 4.0 scale at A — A+ does not raise the GPA above 4.0 on official transcripts. Some institutions use 4.33 for A+. This calculator follows the more common 4.0-capped convention.

What about AP, IB, or honors weighting?

This is an unweighted 4.0-scale calculator. High schools that add 0.5 or 1.0 to advanced courses produce 'weighted' GPAs above 4.0. For weighted GPA, add the extra grade points to each course value manually before entering.

What's the difference between weighted and unweighted GPA?

Unweighted GPA uses a 4.0 scale with no bonus for difficulty. Weighted GPA adds bonuses for honors and AP/IB courses, allowing GPAs above 4.0. Common weights: AP/IB courses worth 5.0 (A) instead of 4.0; honors worth 4.5 (A) instead of 4.0. Schools use weighted GPA for class rank and academic honors; colleges typically recalculate to unweighted (or their own internal weighted system) when comparing applicants. Most college and graduate applications ask for unweighted GPA. Some highly-selective colleges look at both — the unweighted number and the rigor of courseload (number of APs).

Do I include 'pass/fail' courses in my GPA?

Generally no. Pass/fail courses don't have letter grades and don't contribute to GPA — they only affect total credits earned. Some schools allow students to retroactively convert pass/fail to letter grade (rarely worth doing). Pass/fail is best used for courses outside your major where you want exposure without GPA risk — many students take pass/fail for general education requirements they fear will hurt their GPA. Caveat: graduate school applications sometimes ask about pass/fail courses; consistent pass/fail use across many courses can look like grade-protection strategy.

Can I improve my GPA by retaking courses?

Sometimes — depends on your school. 'Grade replacement' policies allow retaking a failed or low-grade course and having the new grade replace the old in GPA calculation. 'Grade forgiveness' policies allow retaking and averaging the two grades. Some schools (especially graduate-school-targeted undergrads) don't allow either — all attempts count in GPA. Common rules: only courses with C- or below can be retaken for grade replacement; only allowed once per course; must be taken within a specific timeframe. Check your registrar's policies before retaking — sometimes the new grade only replaces the old in GPA but not on the transcript, which graduate schools still see.

Does my GPA matter after I graduate?

For graduate school admission: yes, for 3-5 years post-graduation, then progressively less. For first job after college: somewhat — some employers (consulting, banking, federal government) ask for GPA; most don't. For jobs after your first: very rarely asked. For law school and medical school: GPA is heavily weighted (alongside LSAT/MCAT) and matters for 5-10 years post-undergraduate. For PhD programs in your major: GPA in major courses matters more than overall GPA. The Mubboo perspective: GPA matters for the next-step educational and early-career decision; after that, what you've done with the degree matters far more than the number on the transcript.

How do I convert my GPA from a 5.0 or 100-point scale to a 4.0 scale?

Several common conversions. 5.0 scale (high school weighted) to 4.0 scale: divide by 5 and multiply by 4 (so a 4.5 weighted = 3.6 on 4.0 scale, but this is rough). Percentage scale (UK, India): typically 90-100% = A = 4.0, 80-89% = B = 3.0, etc., though specific country conversions vary. WES (World Education Services) is the most-cited evaluation service for international transcript conversion. Many US applications accept both unweighted GPA and percentage; some require WES evaluation for international applicants. Don't try to convert yourself for high-stakes applications — use WES or your destination school's accepted credential evaluator.