Predict your A-level grades from mock exam percentages with UCAS points total
Predicting your A-level grades before the actual exams can help you plan your UCAS applications, set realistic targets, and focus your revision where it matters most. Mock exams provide the best available indicator of likely performance, but most students improve between mocks and finals with consistent study. Our A-level grade predictor takes your mock exam percentages and estimates your final grades by applying an improvement factor based on your study intensity and the time remaining before exams. The calculator uses representative grade boundaries aligned with typical Ofqual standards across major exam boards including AQA, Edexcel, OCR, and WJEC Eduqas. Understanding your predicted UCAS tariff points total is particularly important when comparing yourself against university entry requirements. Some universities make offers in terms of specific grades (such as AAB), while others use a total tariff points threshold. This calculator shows both your predicted grades and your combined UCAS points, giving you a complete picture of where you stand. Grade boundaries vary significantly between subjects, exam boards, and years. Ofqual works with exam boards to set boundaries after papers have been marked, taking into account the difficulty of the paper and the performance of the cohort. The boundaries used here are representative approximations designed for planning purposes rather than exact predictions. For the most accurate picture, consult your teachers and look at historical grade boundaries for your specific subjects and boards.
To predict your A-level grades: 1. Enter the name and mock exam percentage for each of your three A-level subjects. If your mock was marked out of raw marks rather than a percentage, convert it first (raw mark divided by total marks, multiplied by 100). 2. Set the number of months remaining until your exams. More time means more opportunity for improvement, which the calculator accounts for. 3. Choose your study intensity level. Low intensity assumes minimal additional revision (2% improvement). Medium intensity represents a regular, structured revision schedule (5% improvement). High intensity reflects an intensive revision programme with daily focused study (8% improvement). 4. Review your predicted grades and total UCAS points. The bar chart shows your predicted percentage for each subject, making it easy to see which subjects need the most attention. 5. Experiment with different intensity levels to see how increased effort could affect your results. This can help motivate and guide your revision strategy in the weeks before exams.
The grade predictor works in three steps: First, it calculates your predicted improvement. The base improvement depends on study intensity: low adds 2 percentage points, medium adds 5, and high adds 8. A time bonus of 0.5 percentage points per month until the exam is then added, reflecting the fact that more preparation time generally leads to greater improvement. Second, the predicted percentage (mock score plus improvement) is mapped to grade boundaries. These representative boundaries are: A* at 80% and above, A at 70% and above, B at 60% and above, C at 50% and above, D at 40% and above, E at 30% and above, and U (ungraded) below 30%. Third, each predicted grade is converted to UCAS tariff points: A* = 56, A = 48, B = 40, C = 32, D = 24, E = 16, and U = 0. The three subjects are summed to give your total UCAS points. For example, a student scoring 65%, 72%, and 55% in mocks with medium intensity and 3 months to go would see an improvement of 6.5% (5 + 1.5), giving predicted percentages of 71.5%, 78.5%, and 61.5%, which translate to grades A, A, and B for a total of 136 UCAS points.