How a UK degree grade is actually built
A UK degree mark is a weighted average, applied three times over. Your assignments and exams make a module mark. Your modules, weighted by their credits, make a year mark. Your years, weighted against each other, make the figure that decides your classification. It is the same sum at every level — multiply each mark by its weight, add those up, divide by the total weight — so if you understand it once you understand all three.
The part that trips people up is not the arithmetic. It is that the weights are not standard. The four classification bands are: every set of regulations read for this page puts a First at 70%, a 2:1 at 60%, a 2:2 at 50% and a Third at 40%. But how the average that meets those bands is built varies enormously, and two students with identical transcripts at different universities can graduate with different classes.
That is not a rumour. When one researcher ran the same student’s marks through 127 UK universities’ published algorithms in 2020, the resulting degree averages spread across 10.7 percentage points — a First at one institution, a comfortable 2:1 at another. So this page treats every rule except the bands as a setting you can change, and tells you which university’s regulations each preset came from.
The three modes
Modules
One row per module or assignment: a name if you want one, the mark as a percentage, and the weight. The weight can be credits (20, 40 and so on) or percentages — the average divides by whatever total you enter, so only the proportions matter. Six 20-credit modules and six weights of 1 give exactly the same answer.
The result shows the weighted average, the class it falls in, and a table with the column most calculators leave out: what each module contributed. That column answers the question students actually ask, which is why an average of decent marks came out lower than expected. A 40-credit dissertation at 58% is not one bad mark among six — it is a third of the year.
If you fill in the optional “total that counts” — 120 for a full-time UK year, 360 for a whole bachelor’s degree — the calculator also works out what the modules you have not entered yet would need to average for each classification.
Years
One row per year: the year average and how much that year counts. The dropdown offers weightings taken from real published regulations, each labelled with the university it belongs to, and a custom option for anything else. If you do not know your year average yet, work it out in Modules mode first and bring the figure across.
This mode also runs your year marks through every other weighting on the list, so you can see how much of your classification is down to your marks and how much is down to where you happen to study. It is usually a surprise.
What do I need?
For the question that brings most people to a page like this. Enter the average you have so far, how much of the degree it covers, how much is still to come, and the overall average you want. You get the average you need across everything that is left — and a table for every class, so “can I still get a First?” and “am I safe for my 2:1?” are answered together.
The weights go in whatever units you like, as long as both boxes use the same ones. With a 1:2 weighting and second year behind you, that is 1 counted and 2 to come. With percentages it might be 33.33 and 66.67. Same answer either way.
Credits and weights
A UK full-time undergraduate year is 120 credits, and one credit represents about 10 hours of work, so a 20-credit module is roughly 200 hours and a 40-credit dissertation about 400. A bachelor’s degree with honours is 360 credits in total; a taught master’s is 180, normally all at Level 7.
Credits are the weight in almost every UK calculation, which is convenient because they are printed on your transcript and you do not have to convert anything. Two things to watch:
- Modules that carry no weight. Some pass/fail modules, and in some universities everything in Year 1, count for progression but not for classification. Enter a weight of 0 or leave them out — both give the same answer.
- ECTS. A year abroad is often recorded in ECTS credits, where 60 ECTS equals 120 UK credits. Double the ECTS figure before you mix it with UK credits, or convert everything to percentages.
Which years count
There is no national answer. In that 2020 survey of 127 universities, 107 classified on years 2 and 3, 13 on the final year alone, and 7 counted all three years. Among the regulations quoted on this page:
| Weighting | Where it is published |
|---|---|
| Year 2 a third, Year 3 two thirds (1:2) | Leeds, for bachelor’s degrees. Birkbeck reaches the same split by weighting Level 4 at 0, Level 5 at 1 and Level 6 at 2. |
| Year 2 25%, Year 3 75% | Oxford Brookes bachelor’s degrees, and one of Liverpool Hope’s two algorithms. |
| Year 2 30%, Year 3 70% | A Loughborough programme specification. Loughborough sets the ratio per programme, not per university. |
| Year 1 10%, Year 2 30%, Year 3 60% | Liverpool Hope, across Levels C, I and H. |
| Final year only | The pattern at 13 of the 127 universities surveyed. |
| Years 3 and 4 only, four-year Scottish degree | Edinburgh classifies most degrees on the credit-weighted average of the two Honours years. |
| Years 2 : 3 : 4 = 1 : 2 : 2 | Leeds integrated master’s degrees such as MEng and MSci, which are classified with honours rather than as a Distinction. |
Two universities on that list do something a simple year weighting cannot reproduce, and it is worth knowing which kind yours is. Liverpool Hope runs two calculations — 10:30:60 and 25:75 — and awards whichever comes out higher; nine of the 127 universities surveyed do something similar. Swansea weights bands of your best credits rather than whole years, so a strong dissertation counts more than the same mark in a weaker module. If your regulations work either way, run this calculator once per algorithm, or accept that the figure is an estimate.
The classification bands
| Weighted average | Classification |
|---|---|
| 70% and above | First-Class Honours (a First, 1st) |
| 60–69% | Upper Second-Class Honours (2:1, sometimes written 2.1 or II.i) |
| 50–59% | Lower Second-Class Honours (2:2, 2.2 or II.ii) |
| 40–49% | Third-Class Honours |
| Below 40% | No honours. Some universities award an ordinary or Pass degree instead — Swansea’s band for one is 35–39.99%. |
So a 2:1 is 60% to just under 70%, and a First starts at 70%. Those four numbers were identical in every regulation consulted here, which is why the calculator defaults to them — but they are a convention, not a law, and at least one university operates a second route to a First from 68% when enough credits are at 70 or above.
Working out what you still need
The marks already on your transcript cannot move. What they contribute to the final average is fixed, and the only question is what the rest has to supply to close the gap. Written out:
needed on the rest = (target × (done + left) − average so far × done) ÷ left
Priya finished her second year on 62%. Her degree is weighted 1:2, so Year 2 counts once and Year 3 counts twice. For a First she needs (70 × 3 − 62) ÷ 2 = 74% across her final year. To keep the 2:1 she needs 59%. Those two numbers frame the whole year: 74 is the stretch, 59 is the floor.
Note how tightly the weighting controls that answer. A 73% third year, one mark below the 74 she needs, gives her 69.33% overall — still a 2:1, and inside the borderline zone rather than over it.
The calculator refuses to print an impossible number as if it were a goal. Sam is going into his final year with 48% across years 2 and 3, which carry 60% of his degree between them. A First would take 103% on the remaining 40%, so instead of showing 103 the result says the best still available is 68.8% — a 2:1 — and that a 2:1 needs 78%. Equally, if the target is already safe whatever happens, it says so rather than showing a negative mark.
Rounding, and the last two marks
This is where hand calculations and transcripts part company most often, and it is worth being precise about.
Rounding rules differ. Manchester Met states that rounding is never used to determine a classification. Bristol, Liverpool Hope and UHI all round the final average to the nearest whole number — UHI spells out for its own students that 59.5 becomes 60 and therefore a 2:1. Oxford Brookes truncates undergraduate averages to two decimals, so 59.6875 becomes 59.68 and not 59.69, while rounding postgraduate ones.
That single setting can change your class. Four 30-credit modules at 71.5, 68, 72 and 68 average 69.875%. Left alone, that is a 2:1. Rounded to the nearest whole number it is 70% and a First. Truncated to two decimals it is 69.87% and a 2:1 again. The calculator defaults to no rounding, because that is the conservative reading, and shows the rounded figure alongside it when you pick a rule that changes the answer.
Never round in the middle. Rounding a year average to a whole number and then weighting it is the classic error. Two years of 69.6% weighted 1:2 average 69.6% — a 2:1. Round each year to 70 first and you get 70% and a First. Do the whole calculation at full precision and round once, at the end, which is what this page does internally.
Borderline zones are not rounding. Most universities look again at an average that lands just below a boundary, but what they do then is a rule, not arithmetic. Leeds awards the higher class automatically within 0.5 of a boundary. Bristol reviews anything within two marks and lifts it when 50% or more of the weighted marks are already in the higher class. Nottingham applies a similar two-thirds test to taught master’s borderlines. A Loughborough programme board may simply lower a threshold by two points. Zones across UK regulations run from about 1.5 to 2.5 percentage points. The calculator flags that you are in the zone and names the usual mechanisms; it will not pretend to know which one your exam board will apply.
Master’s degrees are graded differently
A taught master’s is not classified with honours. There are three bands, not four — Distinction from 70%, Merit from 60%, Pass from 50% — and no equivalent of a Third. A Merit and a 2:1 start at the same number, but they are different awards on different qualifications.
There is usually a condition the average alone does not capture. Oxford Brookes requires the dissertation itself to be at least 68 for a Distinction and 58 for a Merit. Bristol asks for 70 in the dissertation. Some Manchester schools require 70 in both the taught element and the dissertation. Nottingham publishes borderlines at 69 and 59 with a two-thirds-of-credits test.
Take a student with 120 credits of modules averaging 64% and a 60-credit dissertation at 72%. The weighted average over 180 credits is 66.67% — a Merit, even though the dissertation is comfortably in Distinction territory. For the average to reach 70 the dissertation would have had to be 82. Switch the award type on this page to taught master’s for the right bands, then check your own dissertation rule separately, because no calculator can apply a condition it has not been told about.
Integrated master’s degrees — MEng, MSci, MMath — are different again. They are classified with honours, so the outcome is a First or a 2:1, and Level 7 typically carries a large share: Leeds weights years 2, 3 and 4 as 1:2:2, and Oxford Brookes gives Level 7 half the degree on its own.
Worked examples
A year where the credits do not matter
Six 20-credit modules at 58, 67, 61, 72, 64 and 70. The marks multiplied by their credits add up to 7,840 over 120 credits, which is 65.33% — a 2:1, 4.67 points short of a First. Because every module is the same size, this is the same as simply averaging the six marks. Equal credits are the one case where credit weighting changes nothing, which is why plain averaging works often enough to feel safe.
A year where they do
Swap two of those modules for a 40-credit dissertation at 74%: 74 (40 credits), 58, 67, 61 and 72 (20 credits each). Averaging the five marks in your head gives 66.4%. The credit-weighted average is 67.67% — 1.27 points higher, because the best mark is also the biggest module. The dissertation alone supplies 24.67 of those 67.67 points.
The same degree at five universities
A student finishes with year averages of 58%, 64% and 71%. Under the weightings quoted above:
| Weighting | Degree average | Class |
|---|---|---|
| 10 : 30 : 60 | 67.60% | 2:1 |
| Year 2 a third, Year 3 two thirds | 68.67% | 2:1, borderline |
| 30 : 70 | 68.90% | 2:1, borderline |
| 25 : 75 | 69.25% | 2:1, borderline |
| Final year only | 71.00% | First |
A spread of 3.4 percentage points and two different classes, from one transcript. Three of the five land in the borderline zone, where a rule you have not read yet decides the outcome. This is the single best argument for finding your own regulations rather than trusting a general figure.
Mistakes that give the wrong answer
- Averaging module marks without credits. Fine when every module is the same size, wrong as soon as one is not. A dissertation is usually the mark that matters most and the one most often under-counted.
- Including Year 1 when it does not count — or leaving it out when it does. A first year that counts 10% can move a borderline result either way.
- Rounding as you go. Round once, at the end. Rounding each year first can lift a 69.6% to a 70%, which is a different degree.
- Assuming your university rounds up. Some do, some truncate, and at least one says explicitly that it never rounds. If you are within a mark of a boundary, this is the rule to look up first.
- Counting a resit mark at face value. Many regulations cap a resit at the pass mark for classification purposes, so the 62% you scored second time may enter the calculation as 40%.
- Treating a borderline as a promotion. Being within two marks means your result gets looked at, not that it gets lifted. The lifting usually needs a profile condition — half your credits in the higher class, or two thirds of the final year’s.
- Mixing ECTS and UK credits. 60 ECTS is 120 UK credits, so an unconverted year abroad counts half what it should.
What this calculator cannot tell you
The arithmetic is exact for what you type. What it cannot know is everything your regulations add on top: a banding algorithm that picks your best credits, a second algorithm run in parallel with the better result kept, capped resits, credits discounted for mitigating circumstances, a requirement to pass specific core modules, a minimum dissertation mark, and the discretion an exam board holds in the borderline zone. None of those are guessable from a transcript, and this page does not try.
Use it to understand where you stand, to see what a target actually demands, and to work out which questions to take to your course handbook. Then check the answer against your university’s own classification page, which is the only document that decides anything.
For work that is not shaped like a UK degree, two other pages here fit better: the grade calculator handles a single class on a letter scale you can edit, and the final grade calculator answers the narrower question of what one remaining exam needs to be. To turn raw marks out of a total into a percentage first, use the percentage calculator for marks.
Frequently asked questions
What percentage is a 2:1?
An overall weighted average of 60% to just under 70%. Every UK regulation checked for this page uses the same four bands: 70% and above is a First, 60–69% is an upper second (2:1), 50–59% is a lower second (2:2) and 40–49% is a Third. The bands are the settled part; what differs between universities is how the average that gets compared to them is built.
Is 69% a First?
On the number alone, no — 69% is a 2:1, and nothing here will tell you otherwise. What actually decides it is the rule your university applies to a mark sitting just under a boundary, and those rules genuinely differ. One institution lifts you automatically inside half a mark. Another looks again only if enough of your credits already sit at 70 or above. A third rounds 69.5 up to 70 before it even checks. A fourth states that it never rounds at all. Every one of those is quoted, with a link, in the sources on this page. So treat 69% as a 2:1 worth taking to your course handbook rather than a decided outcome.
Does first year count towards my degree?
Usually not, but it is not safe to assume. In a 2020 survey of 127 UK universities’ regulations, 107 classified on years 2 and 3, 13 on the final year alone, and 7 counted all three years. Where Year 1 does count it is normally a small slice — Liverpool Hope weights it at 10%. Your programme handbook or the classification page on your university’s website is the only place that answers this for you.
Do I enter credits or percentages as the weight?
Either. The average divides by the total weight you enter, so only the proportions matter. A year of six 20-credit modules gives exactly the same answer as six weights of 1, or six of 16.67%. Credits are usually easiest because they are printed on your transcript — a UK full-time year is 120 credits, and a 40-credit dissertation counts twice as much as a 20-credit module.
What do I need in my final year for a 2:1?
It depends on your year weighting as much as on your marks. Take a 62% second year under a weighting where the final year counts twice as much, with all of that year still ahead of you: 59% in Year 3 holds the 2:1, and 74% turns it into a First. Swap to a 25:75 weighting and the same 62% needs less in Year 3 for the 2:1 and less for the First, because the final year carries more. Enter your own weighting in the target mode and the calculator does the algebra.
Will this give the same number as my university?
It will match the arithmetic exactly, and it will match your university only if you have given it your university’s rules. The places it can diverge are all listed on this page: a banding algorithm that weights your best credits rather than whole years (Swansea does this), two algorithms run side by side with the better one kept (Liverpool Hope, and eight other universities in that 2020 survey), capped resit marks, credits excluded for mitigating circumstances, and discretion a programme board is allowed to exercise. Treat the result as a well-founded estimate, not a transcript.
Is a Merit the same as a 2:1?
The percentages line up — Merit and 2:1 both normally start at 60% — but they are different awards on different qualifications, and a taught master’s is not classified with honours. Master’s marks also often carry a condition the average alone does not capture: Oxford Brookes requires at least 68 in the dissertation for a Distinction and 58 for a Merit, and Bristol asks for 70 in the dissertation. Switch the scheme to taught master’s on this page and check the dissertation rule in your own handbook separately.
My marks are letters or a 20-point scale, not percentages.
Convert them before you use this page, using the conversion table in your own handbook — there is no UK-wide letter-to-percentage mapping, so any table this site invented would be a guess. Some universities record a mark and a grade side by side on the transcript; use the mark. If only a grade band is published, entering the middle of the band gives a rough figure but not a defensible one.
Why is my average lower than most of my marks?
Almost always because a heavy module pulled it down. Weighting is multiplication, not counting: a 40-credit dissertation at 58% does as much damage as two 20-credit modules at 58%. The contribution column in the result shows how many points of your average each module actually supplied, which is usually where the surprise is.
Does the calculator store my marks?
No. Everything runs in your browser, nothing is sent anywhere, and there is no account. The recent-calculations list further down the page is saved in this browser only, and clearing your browser data removes it.