Last updated: June 2026

BTEC Level 3 Extended Diploma Grade Calculator

Use this BTEC Level 3 Extended Diploma grade calculator to estimate your final grade, Pearson points and UCAS tariff points based on your units.

Enter your unit grades and GLH sizes in the free calculator to see your projected Extended Diploma grade in seconds.

Open the Calculator

The Extended Diploma is the largest BTEC National qualification most students take at Level 3. Because it is equivalent in size to three A-Levels, small changes across your units can have a big impact on your final grade and UCAS points.

What Is a BTEC Level 3 Extended Diploma?

A BTEC Level 3 Extended Diploma is a 1080 guided learning hours (GLH) qualification. It is often taken as a full-time college or sixth form programme and is commonly used for university entry.

The final grade is shown as a three-part grade, such as MMM, DDM, DDD or D*D*D*. Each part broadly reflects the qualification's size compared with three A-Levels, but the grade itself is calculated through Pearson points rather than separate A-Level-style exams.

Quick answer A BTEC Level 3 Extended Diploma grade is calculated by converting each unit grade into Pearson points, adding those points together, then comparing the total with the Extended Diploma grade boundaries.

How the Extended Diploma Grade Is Calculated

Every BTEC unit has a GLH size. Larger units are worth more Pearson points at the same grade, so a Distinction in a 120 GLH unit counts more than a Distinction in a 60 GLH unit.

Unit Size (GLH) Pass Merit Distinction
60 GLH 6 10 16
90 GLH 9 15 24
120 GLH 12 20 32

If you want the full method, including how unit grades convert into Pearson points across different BTEC sizes, read How BTEC Unit Grades Add Up to Your Final Grade.

BTEC Extended Diploma Grade Boundaries

Once your Pearson points have been added together, the total is compared with the Extended Diploma boundaries below.

Extended Diploma Grade Minimum Pearson Points
D*D*D*270
D*D*D252
D*DD234
DDD216
DDM196
DMM176
MMM156
MMP140
MPP124
PPP108

For example, if your units add up to 202 Pearson points, you clear the 196-point boundary for DDM but not the 216-point boundary for DDD.

BTEC Extended Diploma UCAS Points

Universities usually compare BTEC Extended Diploma results through UCAS tariff points. Here is the tariff table for the main Extended Diploma grades.

Extended Diploma Grade UCAS Tariff Points
D*D*D*168
D*D*D160
D*DD152
DDD144
DDM128
DMM112
MMM96
MMP80
MPP64
PPP48

A DDD in an Extended Diploma is worth 144 UCAS points, the same tariff value as AAA at A-Level.

Worked Example: From Units to Final Grade

Here is a simplified example of a student adding up enough completed units to make a 1080 GLH Extended Diploma.

Unit GLH Grade Pearson Points
Unit 1120D32
Unit 2120D32
Unit 3120M20
Unit 4120D32
Unit 590M15
Unit 690D24
Unit 790M15
Unit 890D24
Unit 960P6
Unit 1060D16
Unit 1160M10
Unit 1260P6
Total1080 GLH232 points

These units add up to the full 1080 GLH Extended Diploma and total 232 Pearson points. That clears the 216-point DDD boundary (but not the 234 needed for D*DD), so the final grade is DDD, worth 144 UCAS points.

If the student wanted to know what they would need on a final remaining unit, the companion guide What Grade Do I Need on My BTEC Exam to Get a Distinction? explains the reverse calculation.

Calculate Your Extended Diploma Grade

Use the free BTEC grade calculator to enter your own unit grades, total your Pearson points and see the UCAS tariff for your projected Extended Diploma result.

Use the Free Calculator

FAQ: BTEC Extended Diploma Grades

How many UCAS points is DDD in a BTEC Level 3 Extended Diploma?

DDD is worth 144 UCAS tariff points. In tariff terms, that is the same as three A grades at A-Level.

Is a BTEC Level 3 Extended Diploma equivalent to 3 A-Levels?

Yes. The Extended Diploma is a 1080 GLH qualification and is treated as equivalent in size to three A-Levels for UCAS tariff purposes.

What is the highest BTEC Level 3 Extended Diploma grade?

The highest grade is D*D*D*. It requires 270 Pearson points and is worth 168 UCAS tariff points.

How do I calculate my BTEC Extended Diploma grade?

Convert each unit grade into Pearson points using the unit's GLH, add the points together, then compare the total with the Extended Diploma grade boundaries.

Can I use this for BTEC Applied Science or Business?

Yes, if your course is a BTEC Level 3 National Extended Diploma using the Pearson points system. The same calculation method applies across subjects such as Applied Science, Business, IT, Sport, and Health and Social Care.

More BTEC help For broader guides, visit the blog or start with the full explanation of how BTEC grades are calculated.