Semester GPA Calculator - Small Study Tools
4 Grading Systems · Instant GPA · No Signup

Semester GPA Calculator

Calculate your semester GPA by adding courses, credit hours and letter grades. Fully usable on mobile.

All calculations happen in your browser, nothing is sent to any server
● Pro Version is Free for now
✓ Cumulative GPA · Target Planner · What-If ·
Scenarios · Multi-Semester Tracker
Day Night
Semester GPA Summary
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Semester GPA
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Letter Grade
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Total Credits
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Quality Points
Grade Distribution
How this is calculated
GPA = Σ (Grade Points × Credits) ÷ Σ Credits
⚙️ Settings
📚 Courses
Course Name Credits Grade Points
Export your GPA report
📋 Grade Scale Reference
📊 Cumulative GPA PRO
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Cumulative
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Credits
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Overall
🎯 Target GPA Planner PRO

GPA needed this semester to reach a target overall GPA.

GPA needed
Enter details above
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🏆 Honor Roll & Impact PRO
Course Impact on GPA
🔮 What-If Simulator PRO

Drag to see the instant effect on your GPA.

Simulated GPA: —
📈 GPA Scenarios PRO
😊 Best CaseEveryone up one grade
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😐 CurrentYour entered grades
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😟 Worst CaseEveryone down one grade
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📅 Multi-Semester Tracker PRO

Track your GPA progression across semesters.

Cumulative (all semesters) —
📖 Quick Reference
1Match your scales pick the GPA Scale that matches your Grading System, mismatching the two gives a misleading number.
2Credits weight everything a 4-credit A affects your GPA more than a 1-credit A.
3Semester vs cumulative semester GPA is just this term, cumulative includes every term so far.
4Check your registrar some schools round differently or exclude repeated courses.
💡 GPA Tips PRO
`; const blob=new Blob([html],{type:'text/html'}); const a=document.createElement('a');a.download=`gpa-report-${semName.replace(/\s+/g,'-')}.html`;a.href=URL.createObjectURL(blob);a.click(); toast('Downloaded, open it and choose Print then Save as PDF'); }// ── MODE ────────────────────────────────────────────────────── function setMode(mode){ isPro=mode==='pro'; document.getElementById('btnSimple').classList.toggle('active',!isPro); document.getElementById('btnPro').classList.toggle('active',isPro); widget().classList.toggle('pro-mode',isPro); wiGrades=null; recalc(); updateTips(); try{localStorage.setItem('sst_sgpa_mode',mode);}catch(e){} }// ── FREE: GRADE SCALE REFERENCE (sidebar) ────────────────────── function renderScaleRef(sys, scale){ const el = document.getElementById('scaleRefBody'); if (!el) return; const smax = sysMax(sys); el.innerHTML = sys.grades.map(g => { const pts = sys.points[g] || 0; const scaledPts = (pts/smax)*scale; const col = gradeColor(g); return `
${g}${scaledPts.toFixed(2)} pts
`; }).join(''); }// ── PRO: TIPS ───────────────────────────────────────────────── function updateTips() { const el = document.getElementById('tipsList'); if (!el) return; const tips = []; if (!courses.length || courses.every(c=>!c.name)) { tips.push('Add your courses above to see tips tailored to your own semester.'); } else { tips.push('Always pick the GPA Scale that matches your Grading System, a 10.0 scale paired with a 4.0 based system produces a meaningless number.'); tips.push('The What-If Simulator is the fastest way to see whether a borderline grade in one course is worth the extra effort before finals.'); tips.push('Cumulative GPA weights every semester by its own credit total, a heavier course load semester influences your overall GPA more than a lighter one.'); tips.push('Save each semester to the Multi-Semester Tracker as you finish it, reconstructing past terms from memory later is far less accurate.'); tips.push('If a target GPA in the planner comes back above your GPA Scale maximum, it is not mathematically achievable this semester regardless of grades.'); } el.innerHTML = tips.slice(0,5).map(t => `
${t}
`).join(''); }// ── UTILS ───────────────────────────────────────────────────── function escHtml(s){return String(s||'').replace(/&/g,'&').replace(//g,'>');} function escAttr(s){return String(s||'').replace(/"/g,'"').replace(/'/g,''');} function toast(msg){const t=document.getElementById('toast');t.textContent=msg;t.classList.add('show');setTimeout(()=>t.classList.remove('show'),2800);}// ── INIT ────────────────────────────────────────────────────── recalc(); renderHistoryCumulative(); updateTips(); try{const m=localStorage.getItem('sst_sgpa_mode');if(m==='pro')setMode('pro');}catch(e){}

How to Use the Semester GPA Calculator

From courses and credit hours to your semester GPA in seconds. Fully usable on mobile.

1
Match Your Scale
Pick the GPA Scale and Grading System your school uses.
2
Add Your Courses
Enter each course name, credit hours and letter grade.
3
Read the Result
See your GPA, letter grade, credits and quality points instantly.
4
Export or Go Pro
Copy or download a PDF report, or unlock cumulative GPA and the target planner in Pro.

Every calculation runs inside your own browser. No account, no tracking, nothing ever uploaded.

Specifications
Price Free
Data Handling Never leaves your browser
GPA Scales 4.0 · 5.0 · 10.0 · 7.0
Grading Systems US · UK · India · Pakistan · Australia
Platform Optimized for Web & Mobile
Built by SmallStudyTools.com
Found a bug or something not working right? Let us know and we'll fix it. Every report helps make this tool better.
Report an Issue

Semester GPA Calculator, Free and Online

A semester GPA calculator works out your grade point average for a single term by weighting each course's grade points against its credit hours. This one supports the US 4.0 scale plus UK, Indian, Pakistani and Australian grading systems, and updates live as you add courses, entirely inside your browser.

Every student calculates semester GPA at some point, usually while checking eligibility or just curious how a term turned out. This free semester GPA calculator tool does it instantly. Add each course with its credit hours and letter grade, and your semester GPA, letter equivalent, total credits and quality points update the moment anything changes, alongside a grade distribution breakdown. Pro Mode adds a cumulative GPA calculator that folds this semester into your full academic record, a target GPA planner that works out what you need this term to hit an overall goal, a what-if simulator for testing hypothetical grade changes, best and worst case scenarios, an honor roll and course impact breakdown, and a multi-semester tracker for watching your GPA progress over time.

The GPA Formula
GPA = Σ (Grade Points × Credits) ÷ Σ Credits

Each course contributes quality points equal to its grade points multiplied by its credit hours. Add up every course's quality points, then divide by total credits, to get your semester GPA.

1Simple vs Pro, What Each Mode Includes

FeatureSimple ModePro Mode (Free)
Semester GPA from courses, credits and gradesIncludedIncluded
4.0, 5.0, 10.0 and 7.0 GPA scales, 5 grading systemsIncludedIncluded
Grade distribution breakdownIncludedIncluded
Cumulative GPA calculatorNot includedIncluded
Target GPA plannerNot includedIncluded
What-if grade simulator and best/worst scenariosNot includedIncluded
Honor roll status and course impact breakdownNot includedIncluded
Multi-semester GPA trackerNot includedIncluded
Copy and downloadable PDF reportCopy onlyCopy and PDF

2Semester GPA, Quick Examples

15 Credits, All A
4.00 GPA
12 Credits, Mixed A and B
Around 3.30 to 3.70 GPA
4 Credit Course, A vs B
16 vs 12 quality points, a 4 point swing
1 Credit Course, A vs B
4 vs 3 quality points, barely moves overall GPA

The mistake that trips up the most students is picking a GPA Scale that does not match the Grading System they selected. A 10.0 scale is meant to pair with a 10 point system like India's UGC grades, not with a standard US A to F system, and mixing the two produces a number that looks plausible but is not mathematically meaningful. Always confirm the GPA Scale and Grading System dropdowns match your actual institution before trusting the result for anything official.

3Where the Modern GPA Scale Actually Came From

The number every student now tracks to two decimal places started as a diary entry. According to Yale's own institutional research archive, in historian George Pierson's Yale Book of Numbers 1701 to 1976, the first recorded grades in American higher education date to 1785, when Yale president Ezra Stiles examined 58 seniors and sorted them into four Latin ranked categories in his personal diary. Yale kept building on this system in what it called the Book of Averages, and by 1837 the university had converted those descriptive ranks into a numeric four point scale, the direct ancestor of the 4.0 GPA nearly every American student now uses. Letter grades came much later and from a different institution entirely, Mount Holyoke College introduced the familiar A through F system in 1897, more than a century after Yale's first numeric scale.

QuestionQuick Answer
Where were the first recorded American college grades?Yale University, 1785
What record documents this?Ezra Stiles' personal diary
When did Yale convert to a numeric 4 point scale?By 1837
Where did letter grades (A to F) originate?Mount Holyoke College, 1897
Privacy Note

Every calculation runs inside your own browser using JavaScript, nothing is uploaded or sent to a server, and no account or signup is required.

4Frequently Asked Questions

How do I calculate my semester GPA?
Multiply each course's grade points by its credit hours to get quality points, add up the quality points for every course, then divide by your total credit hours. For example, an A (4.0) in a 4 credit course gives 16 quality points, add that to every other course's quality points and divide by total credits to get your semester GPA.
What is the difference between semester GPA and cumulative GPA?
Semester GPA covers only the courses taken in the current term. Cumulative GPA combines every semester completed so far, weighted by each semester's own credit hours. A single strong or weak semester moves cumulative GPA less than it moves semester GPA, because cumulative GPA is diluted across every credit you have ever attempted.
Why did my GPA barely change even though I did much better this semester?
Cumulative GPA is a credit weighted average across your entire academic record. Once you have completed many credits, a single semester, even a strong one, makes up a smaller share of the total, so its effect on your overall GPA is naturally diluted.
Do all universities use the 4.0 GPA scale?
No. The 4.0 scale is the most common in the United States and Canada, but some US high schools use a 5.0 weighted scale for honors or AP courses, Indian universities under UGC commonly use a 10.0 CGPA scale, and Australian universities often use a 7.0 point scale. Always match your calculator's scale to the one your specific institution uses.
Does pass/fail or credit/no credit coursework affect my GPA?
Typically no. Courses graded as pass/fail, credit/no credit, or incomplete are usually excluded from the GPA calculation entirely at most institutions, though the credits may still count toward your degree requirements. Check your registrar's specific policy since this varies by school.
Is my grade data private when I use this calculator?
Yes. Every calculation runs inside your own browser using JavaScript, nothing is uploaded or sent to a server, and no account or signup is required.

Grounded in Yale's own institutional research archive of George Pierson's Yale Book of Numbers, not the assumption that the 4.0 GPA scale has always existed in its current form. The full monograph is available on Yale's Office of Institutional Research website. For related tools on this site, see the GPA Calculator and the full SmallStudyTools.com tool library.

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