Free Academic Tool

Calculate Your Grade Average
the Right Way

Enter letter grades or percentages with credit hours to get your weighted grade average, GPA on a 4.0 scale, and UK degree classification — instantly.

Letter grades or percentages
Credit-hour weighted
UK degree class + 4.0 GPA
Cumulative GPA calculator
Example — Year 2 modules
ModuleGradeCredits%
StatisticsA2085%
EconomicsB2072%
LawA1080%
MarketingC1062%
Weighted Grade Average
76.8%
GPA
3.1
Class
2:1
🎓
Grade Average Calculator
Supports letter grades, percentages, and credit-hour weighting
Grade Input
Enter a % score for each module
📊 Include Previous Results (optional)
Add your prior GPA and credits to calculate your overall cumulative GPA
Module Breakdown

Your full grade picture in three steps

Whether you need a quick module average or a full degree-classification calculation with credit weighting — enter your grades and get the answer.

1

Choose your input type

Switch between percentage scores and letter grades using the toggle. Letter grades are automatically converted to their percentage equivalent.

2

Enter grades and credits

Add each module with its grade and credit hours. Credits weight each module correctly — a 20-credit module counts twice as much as a 10-credit one.

3

See your average and class

Get your weighted percentage average, GPA on the 4.0 scale, and UK degree classification — with a visual bar for every module.

What Is a Grade Average Calculator?

A grade average calculator computes the central value of a set of academic grades, typically weighted by credit hours so that more significant modules contribute proportionally more to the final result. It converts grades into a percentage average, a GPA (Grade Point Average) on the 4.0 scale widely used in the US and internationally, and — for UK students — the equivalent degree classification.

Knowing your grade average at any point in your studies lets you track progress, set realistic targets, and understand exactly what you need to achieve in remaining modules to reach a particular classification or GPA milestone.

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How to Calculate a Weighted Grade Average

Most university and college grade averages are weighted by credit hours. This means a 20-credit module contributes twice as much to your average as a 10-credit module, which is fairer than treating all modules equally regardless of their size.

Weighted Average = Σ(Grade% × Credits) ÷ Σ(Credits)

Example:
Statistics: 85% × 20 = 1700
Economics: 72% × 20 = 1440
Law: 80% × 10 = 800
Marketing: 62% × 10 = 620

Total = 4560 ÷ 60 credits = 76.0%

An unweighted average — simply averaging the four grades — gives 74.75%, which underrepresents the heavier 20-credit modules. The weighted calculation is the correct method for any academic context where modules carry different credit values.

Letter Grade to Percentage Conversion

When entering letter grades, each letter is converted to a representative percentage before the weighted average is calculated. The standard conversions used by this calculator are:

Letter GradePercentage (UK)GPA Points (US 4.0)Standard
A+ / A*95%4.0Outstanding
A85%4.0Excellent
A−80%3.7Very good
B+77%3.3Above average
B73%3.0Good
B−70%2.7Satisfactory
C+67%2.3Adequate
C63%2.0Pass standard
C−60%1.7Borderline
D55%1.0Below average
F30%0.0Fail

UK Degree Classifications Explained

UK universities award undergraduate degrees in four classifications based on the weighted grade average across qualifying modules. The boundaries below are the standard UK thresholds, though individual institutions may apply slightly different rules or use borderline criteria.

ClassificationPercentage BandCommon AbbreviationWhat It Means
First Class Honours70% and above1stThe highest classification — exceptional academic performance
Upper Second Class60–69%2:1Very good — the most common degree class at UK universities
Lower Second Class50–59%2:2Good — meets the standard required for most graduate roles
Third Class Honours40–49%3rdPass — minimum honours classification
Ordinary / FailBelow 40%Does not meet honours standard
💡

Borderline rule: Many UK universities apply a borderline classification rule. If your grade average falls within 2% below a classification boundary (e.g. 68–69.9% for a First), some institutions will upgrade your degree if a majority of your final-year credits were at the higher classification level. Check your university’s specific regulations.

GPA on the 4.0 Scale — How It Works

The 4.0 GPA scale is the standard grading system in the United States and is increasingly used internationally for postgraduate admissions and scholarship applications. A 4.0 GPA represents perfect performance, while a 2.0 GPA is typically the minimum to remain in good academic standing.

GPA = Σ(Grade Points × Credit Hours) ÷ Total Credit Hours

Where grade points: A=4.0, B=3.0, C=2.0, D=1.0, F=0

UK percentage grades roughly map to the 4.0 GPA scale as follows: 70%+ ≈ 3.7–4.0, 60–69% ≈ 3.0–3.7, 50–59% ≈ 2.0–3.0, 40–49% ≈ 1.0–2.0. This calculator applies this conversion automatically.

Semester GPA vs Cumulative GPA

Your semester GPA reflects performance in a single term. Your cumulative GPA reflects your overall academic performance across all completed terms combined. Both are important — semester GPA shows current trajectory, while cumulative GPA is what appears on transcripts and is used for graduate school and job applications.

To calculate your cumulative GPA after adding a new semester, use the optional “Include Previous Results” section above. Enter your prior cumulative GPA and the total credit hours already completed, and the calculator combines them with your new results to give you an updated cumulative GPA.

Cumulative GPA = (Prior GPA × Prior Credits + New GPA × New Credits) ÷ (Prior Credits + New Credits)

How to Work Out What Grades You Need

If you know your current grade average and how many credits you have left, you can calculate what average grade you need to achieve your target classification. The formula works by setting up the weighted average equation and solving for the unknown (future grades).

Required Average = (Target% × Total Credits − Current Sum) ÷ Remaining Credits

Example: Target 70% (First), 120 credits total, 80 credits done at 67%
Current sum = 67 × 80 = 5360
Target sum = 70 × 120 = 8400
Remaining 40 credits need: (8400 − 5360) ÷ 40 = 76% average

This kind of reverse calculation is extremely useful mid-year. It shows whether your target is still achievable with the credits remaining — and how much effort each remaining module demands.

Common Questions About Grade Averages

Students frequently ask whether retaken modules count in the grade average, whether failed modules are included, and how final-year weighting works. The answers depend entirely on your institution’s regulations. Most UK universities weight final-year credits more heavily (often 2:1 ratio of final year to penultimate year), and some exclude or cap resit grades. Always verify the specific rules for your programme in the student handbook.

Grade Averages in Postgraduate and Professional Contexts

Your undergraduate grade average matters beyond graduation in several ways:

  • Postgraduate admissions: Most UK master’s programmes require a minimum 2:1 (60%+). Top programmes and funded places typically expect a First (70%+).
  • Graduate employers: Many large employers (law firms, banks, consulting firms) set minimum degree classifications — usually 2:1 — as a screening filter for applications.
  • US graduate schools: Require a GPA equivalent, so UK graduates need to convert their classification to a 4.0 GPA for international applications.
  • Scholarships and fellowships: Academic merit awards almost always require a First or GPA of 3.5+ as a baseline criterion.

Common questions about grade averages

How is a weighted grade average different from a simple average?
A simple average adds all grades and divides by the number of modules, treating each equally. A weighted average multiplies each grade by its credit hours before summing, then divides by total credits. If a 20-credit module and a 10-credit module have different grades, the 20-credit module contributes twice as much to the weighted average — which is the correct approach for academic calculations.
What percentage do I need for a First Class degree in the UK?
A First Class Honours degree requires a weighted grade average of 70% or above across qualifying modules. Some universities apply a borderline rule where a grade of 68–69.9% may be upgraded to a First if the majority of your final-year credits were at First Class standard. Check your specific university regulations for the exact criteria.
How do I convert my UK degree grade to a US GPA?
The most widely accepted conversion is: First Class (70%+) ≈ 3.7–4.0 GPA, Upper Second / 2:1 (60–69%) ≈ 3.0–3.7, Lower Second / 2:2 (50–59%) ≈ 2.7–3.0, Third (40–49%) ≈ 2.0–2.7. Different institutions and postgraduate programmes may use slightly different conversions, and some use credential evaluation services like WES or NARIC for official conversion.
Do failed or retaken modules count in my grade average?
This depends entirely on your university’s regulations. Some institutions include the resit mark and cap it at the pass threshold (typically 40%). Others exclude failed first attempts and only use the resit grade. A few universities exclude resit modules from degree classification calculations entirely. Always check your student handbook or contact your academic registry for your institution’s specific policy.
How do I calculate my cumulative GPA after a new semester?
Multiply your previous cumulative GPA by your previous total credits to get a grade point total. Do the same for your new semester GPA and new credits. Add both totals together, then divide by the combined total credits. Use the “Include Previous Results” section in the calculator above to do this automatically.
Does final year count more than earlier years?
At most UK universities, yes. The common weighting is for final year to count for roughly two-thirds of the degree classification calculation, with the penultimate year making up the remaining third. First year grades typically do not count towards the degree classification at all, though they must be passed to progress. Your university’s specific weighting structure will be in your programme regulations.
What grade average do I need for a master’s degree?
Most UK universities require a minimum 2:1 (60% or above) for entry to a master’s programme. Competitive programmes and funded UKRI studentships typically expect a First Class degree (70%+) or a very strong 2:1. International master’s programmes, particularly in the US, usually require a GPA of 3.0 or higher, which roughly corresponds to a 2:1.

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