Planning3 min read

What grade do I need for a 2:1? (with worked examples)

How to work backwards from your current marks to the exact average you need on remaining assessments to hit a 2:1, First, or any target classification.

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“What do I actually need to get?” is the most useful question a student can ask, and it has a precise answer. If you know what you have banked and how much weight is still in play, you can work out the exact average you need on everything that remains.

The back-calculation

The logic is the weighted-average formula, rearranged to solve for the unknown future marks:

The formula
Required average = (target × total weight) − points already banked, divided by remaining weight

where “points banked” is the sum of (mark × weight) for everything already graded.

Worked example: a 2:1 from here

Imagine your final-year mark is what decides things, it is built from four 30-credit modules (120 credits total), and you have results for two of them:

Marks so farFinal year · 120 credits
Module 162 over 30 credits62 × 30 = 1,860 points
Module 257 over 30 credits57 × 30 = 1,710 points
Modules 3 and 4Not marked yet60 credits left

Banked so far: 1,860 + 1,710 = 3,570 points across 60 of the 120 credits. A 2:1 needs an average of 60, so the target points for the whole year are 60 × 120 = 7,200.

Points still needed: 7,200 − 3,570 = 3,630, to be earned over the remaining 60 credits. So your required average is 3,630 ÷ 60 = 60.5. You need to average just over 60 on the final two modules to secure the 2:1, which is very achievable.

The workingTarget: 2:1 (60)
1Points banked1,860 + 1,710= 3,570
2Target points60 × 120= 7,200
3Still needed7,200 − 3,570= 3,630
4Required average3,630 ÷ 6060.5
Very achievable: just over 60 on the final two modules.

What about a First?

Re-run the same sum with a target of 70: target points become 70 × 120 = 8,400; still needed = 8,400 − 3,570 = 4,830; required average = 4,830 ÷ 60 = 80.5. Averaging 80 in your final modules is a tall order, so a First is mathematically possible but unlikely from this position. Seeing that clearly lets you set a realistic target rather than chasing one that has slipped out of reach.

Same banked marks, two targets 3,570 points on 60 of 120 credits
TargetTarget pointsStill neededRequired averageReading
2:1 (60)Very achievable7,2003,63060.5Very achievable
First (70)Unlikely from here8,4004,83080.5Unlikely from here
On a scale of 30 to 100: your average so far is 59.5, a 2:1 needs 60.5, and a First needs 80.5 on what is left.

Reading the answer sensibly

  • StretchIf the required average is above ~75, treat the target as a stretch and have a fallback in mind.
  • On trackIf it is below your typical mark, you are on track. Protect it, do not gamble it.
  • Out of reachIf it comes out above 100, that classification is no longer reachable; refocus on the next one down and finish strong.

Do not forget year weighting

The example above stayed within a single year for clarity. In reality the same calculation runs across years using their weightings, so a strong banked year can mean you need less from your final one, or a weak earlier year means you need more. Our guide to year weighting explains how much each year is really worth.

Let it update itself

The arithmetic is simple but it changes every time a mark lands, and re-doing it by hand is where errors creep in. UniGrade’s target calculator runs this exact back-calculation continuously: pick a target classification and it tells you the average you need on remaining work, per module and overall, and flags when a target is no longer realistic. Create a free account and set your target in a couple of minutes.

About the author

Riley Jordan
Founder of UniGrade · BSc Software Engineering, Bournemouth University

Riley builds UniGrade and writes its guides. They describe common UK practice: your university’s classification regulations are always the final word, and figures in UniGrade are estimates, not official records.

Spotted a mistake? Email support@unigrade.co.uk

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