BTEC Applied Science Grade Calculator
BTEC Applied Science is one of the most popular Level 3 science routes in the UK, covering biology, chemistry and physics through mandatory core units plus optional pathways in biomedical, analytical/forensic or physical science. The same Pearson points system applies across all BTEC Nationals — this calculator pre-loads the Applied Science unit structure so you can enter grades by unit rather than guessing GLH sizes.
Applied Science grade calculator
Units
Results
| Grade | Points | UCAS |
|---|
Grade-only rows use fixed Pearson unit points. External exam rows without official points are estimates — enter official Pearson points from your results slip for best accuracy.
Applied Science mandatory units (Extended Diploma)
Every Extended Diploma student completes these seven units. Four are externally assessed.
| Unit | Title | GLH | Assessment |
|---|---|---|---|
| 1 | Principles and Applications of Science I | 90 | External |
| 2 | Practical Scientific Procedures and Techniques | 90 | Internal |
| 3 | Science Investigation Skills | 120 | External |
| 4 | Laboratory Techniques and their Application | 90 | Internal |
| 5 | Principles and Applications of Science II | 120 | External |
| 6 | Investigative Project | 90 | Internal |
| 7 | Contemporary Issues in Science | 120 | External |
| 8 | Physiology of Human Body Systems | 60 | Internal |
| 9 | Human Regulation and Reproduction | 60 | Internal |
| 14 | Applications of Organic Chemistry | 60 | Internal |
| 19 | Practical Chemical Analysis | 60 | Internal |
| 21 | Medical Physics Applications | 60 | Internal |
| 24 | Cryogenics and Vacuum Technology | 60 | Internal |
Pearson points per unit grade
| Unit size (GLH) | Pass | Merit | Distinction |
|---|---|---|---|
| 60 GLH | 6 | 10 | 16 |
| 90 GLH | 9 | 15 | 24 |
| 120 GLH | 12 | 20 | 32 |
Worked example: DDD on Extended Diploma
This follows Pearson's specification example for a DDD grade (216 Pearson points).
| Unit | GLH | Grade | Type | Points |
|---|---|---|---|---|
| Unit 1 | 90 | N | Ext | 6 |
| Unit 2 | 90 | P | Int | 9 |
| Unit 3 | 120 | D | Ext | 32 |
| Unit 4 | 90 | M | Int | 15 |
| Unit 5 | 120 | D | Ext | 32 |
| Unit 6 | 90 | D | Int | 24 |
| Unit 7 | 120 | M | Ext | 20 |
| Unit 8 | 60 | D | Int | 16 |
| Unit 9 | 60 | D | Int | 16 |
| Unit 14 | 60 | M | Int | 10 |
| Unit 19 | 60 | M | Int | 10 |
| Unit 21 | 60 | D | Int | 16 |
| Unit 24 | 60 | M | Int | 10 |
| Total | 1080 GLH | 216 pts → DDD | ||
216 Pearson points meets the Extended Diploma DDD boundary exactly (216 points). This example follows Pearson's specification worked example for a DDD grade, including Near Pass on Unit 1.
FAQ: BTEC Applied Science grades
How is my BTEC Applied Science grade calculated?
Each unit grade is converted into Pearson points based on the unit's GLH. External units (Units 1, 3, 5 and 7 on the Extended Diploma) may use official Pearson points from your results slip rather than a letter grade alone. Add all unit points together and compare the total with the grade boundaries for your qualification size.
How many UCAS points is DDD in BTEC Applied Science Extended Diploma?
DDD in a BTEC Level 3 Extended Diploma is worth 144 UCAS tariff points — the same tariff as AAA at A-Level. D*DD is 152 points and D*D*D* is 168.
Which Applied Science units are externally assessed?
On the Extended Diploma, Units 1, 3, 5 and 7 are externally assessed (exams or synoptic tasks). Units 1 and 5 are written exams; Units 3 and 7 are external synoptic assessments. Smaller qualification sizes include fewer external units — check your specification if you are on Certificate or Extended Certificate.
Does this work for the new BTEC Applied Science AAQ?
This page covers the established 2016 RQF Applied Science specification, which most current students are still on. The new BTEC National (AAQ) Extended Certificate started teaching in September 2025 with a different unit structure — use the generic calculator for AAQ sizes until a dedicated page is available.
My college chose different optional units — can I still use this?
Yes. Keep the mandatory units as listed, then edit, remove or add optional rows to match your programme. The overall grade depends on total Pearson points and your qualification size, not which optional titles you studied.