Rajshahi Science and Technology University Grading System 2026: GPA & CGPA Guide

Quick answer: RSTU grades on a 4.00 scale

Rajshahi Science and Technology University (RSTU), Natore, uses the Bangladesh 4.00 grading scale. An A+ is worth 4.00 grade points and requires 80% marks or more, an A is worth 3.75, an A- is worth 3.50, and the scale runs down through B+, B, B-, C+, C and D to F, which is worth 0.00 and means fail (below 40% marks). Your semester GPA is the credit-weighted average of your grade points for that semester, and your CGPA is the same average taken over every course you have completed so far. If you only need one number from this guide, it is this: multiply each course’s grade point by its credits, add those products up, and divide by your total credits.

There is one honest catch you should know before you trust any RSTU grading page, including this one. RSTU’s own website, rstu.edu.bd, is currently under development and shows only a “coming soon” page, so RSTU does not publish its own grade table, retake rules, or probation rules online anywhere we could find. The table in this guide is therefore the Bangladesh University Grants Commission (UGC) uniform grading system, the national reference scale recommended for all public and private universities, cross-checked against three published university tables. Every RSTU-specific rule that we could not verify from an RSTU publication is clearly marked UNVERIFIED below, with a pointer to the Registrar’s office, instead of being invented. If your own RSTU grade sheet or transcript shows a different scale, your grade sheet wins: always follow the document your university actually issued to you.

Which RSTU is this? Do not confuse four similar names

Most of the wrong information about RSTU grading comes from students landing on the wrong university’s rules. Four institutions share confusingly similar names, and search engines mix them up constantly:

• RSTU – Rajshahi Science and Technology University, Natore. This guide. A private university established in 2013, located in Natore town in Rajshahi Division, recognised by the University Grants Commission. Its programmes include CSE, EEE, Civil Engineering, Textile Engineering, Pharmacy, BBA, MBA, LLB, English, Economics, Media and Journalism, and Sociology.
• RU – University of Rajshahi, Rajshahi city. A large public university. Its grading ordinances dominate search results for anything with “Rajshahi” in it, but they are RU’s rules, not RSTU’s.
• RUET – Rajshahi University of Engineering and Technology, Rajshahi city. Another public engineering university. Its academic ordinance is also widely copied online. Again, not RSTU.
• RMSTU – Rangamati Science and Technology University, Rangamati. A public university whose acronym differs by one letter and whose website is rmstu.ac.bd. Not RSTU, and not in Natore.

If a page you found talks about “Part-I, Part-II, Part-III, Part-IV examinations” and yearly honours parts, you are almost certainly reading a University of Rajshahi ordinance, not an RSTU document. RSTU runs semester-based programmes like other private universities. Keep that test in mind whenever you check a rule against another source.

Check your RSTU GPA with the calculator

There is no separate RSTU calculator page on this site, so use the main calculator on the CGPAPro homepage. It is the fastest way to check your result, and it uses the same UGC Bangladesh scale set out in this guide. Here is exactly what to do:

1. Open the CGPAPro homepage calculator.
2. For each course in your semester, enter the course name (or a short label), its credit hours exactly as shown on your RSTU grade sheet, and its letter grade (A+, A, A-, B+, B, B-, C+, C, D or F).
3. Add one row per course. Do not leave a course out because you failed it: an F still counts in the calculation, as Example 2 below shows.
4. Read the semester GPA result, then repeat the same steps with all your semesters together if you want your CGPA.
5. Compare the calculator’s result with the hand calculation in the worked examples below. If they disagree, check your credits first: a wrong credit value is the most common cause of a wrong GPA.

One practical note: the calculator gives you the number, but it cannot tell you your university’s retake or probation rules. For those, read the UNVERIFIED flags in this guide and confirm with RSTU’s Registrar’s office, because no RSTU rulebook is published online at the time of writing.

The official grading table (UGC uniform scale, national reference)

The University Grants Commission of Bangladesh recommended a uniform grading system for all public and private universities with effect from the 2006-2007 session, and universities were required to finalise results and issue transcripts according to it. The University of Rajshahi’s international-affairs page reproduces it verbatim, and the same table appears in the published policies of other UGC-recognised private universities. Because RSTU publishes no table of its own online, this is the table to use for RSTU coursework unless your RSTU grade sheet states otherwise.

Two boundary warnings. First, the bands are “to less than” bands: 79.5% is an A, not an A+, and 74.9% is an A-, not an A. There is no rounding up across a band boundary on the published table. Second, D is a pass, not a fail. A D earns you the course credits with 2.00 grade points. An F earns zero points and, under standard practice, its credits still sit in your GPA divisor (see the mistakes section). That asymmetry is exactly why one F hurts more than one D helps.

A note on private-university variation: a few large private universities in Bangladesh (North South, BRAC, Independent, AIUB) use a different, stricter scale in which an A starts at 90% and is worth 4.00. RSTU is not one of those universities, and no evidence was found that RSTU uses their scale. If you see a “Bangladesh private university” table that starts at 90%, it does not apply to RSTU. Use the UGC uniform table above unless your RSTU grade sheet says otherwise.

What RSTU publishes, and what it does not: the honest status board

Because RSTU’s website is under development, a large part of what students want to know simply is not published anywhere. Rather than fill those gaps with guesses, here is the status of each rule, as researched on 30 October 2026:

• Letter-grade table: national reference available (UGC uniform scale above). RSTU’s own table: not published online.
• Marks split (attendance, class tests, mid-term, final): UNVERIFIED for RSTU. Other Bangladeshi universities commonly split a 100-mark course into a semester-final portion plus in-course assessment and attendance marks, but no RSTU split could be confirmed, so no percentages are stated here.
• Retake and improvement rules: UNVERIFIED for RSTU. Common practice at comparable private universities is that a failed (F) course must be retaken and a low grade (often C+ or below) may be retaken for improvement, with the new grade replacing the old one in the CGPA while the credits are counted once. That is a description of common practice, not an RSTU rule: confirm it with the Registrar before planning a retake.
• Probation and dismissal: UNVERIFIED for RSTU. Comparable private universities commonly place students on probation when CGPA falls below 2.50 (some use 2.00) and dismiss after repeated failure to recover. No RSTU threshold is claimed here.
• Graduation CGPA floor: UNVERIFIED for RSTU. Comparable institutions commonly require 2.00 or 2.50. Do not assume either number for RSTU; check your programme’s own requirement.
• Dean’s List, Chancellor’s Award, honours thresholds: UNVERIFIED for RSTU. No RSTU list criteria could be found.
• Attendance requirement: UNVERIFIED for RSTU. Many Bangladeshi universities require around 60% to 75% attendance to sit the final exam, but no RSTU figure is published online.
• Total credits per programme: UNVERIFIED for RSTU. Engineering bachelor’s programmes in Bangladesh commonly total around 140 to 160 credits and BBA programmes around 120 to 135 credits, but RSTU’s own programme totals were not found in a published curriculum.
• GPA and CGPA rounding: UNVERIFIED for RSTU. This guide rounds to two decimal places, which is the common reporting practice.
• F-grade treatment in the divisor: standard UGC practice used throughout this guide (F credits stay in the divisor, F earns 0 points). Not confirmed in an RSTU document.
• CGPA-to-percentage conversion: no official RSTU conversion published. Multiplying CGPA by 25 gives a rough percentage estimate only (for example, 3.50 x 25 = 87.5), and it is not an RSTU rule.

How to verify any of these: contact RSTU’s Registrar’s office through the official site at rstu.edu.bd, or visit the campus at Tokia, Dastanabad, Natore Sadar. Ask for the programme curriculum or academic regulations for your batch, and ask specifically for the retake rule and the graduation CGPA floor in writing. If you are a current student, your department office will usually have a printed curriculum even while the website is under development.

How to calculate your GPA, step by step

Work from your grade sheet, not from memory. Letter grades are easy to misremember, and one wrong grade point throws the whole average off.

1. List every course in the semester with its credit hours and its letter grade.
2. Convert each letter grade to its grade point using the table above. For example, 78% marks is an A worth 3.75, and 62% marks is a B worth 3.00.
3. Multiply each course’s grade point by its credit hours. This product is sometimes called the course’s quality points.
4. Add all the quality points together.
5. Add all the credit hours together, including the credits of any course you failed.
6. Divide total quality points by total credit hours. Round to two decimal places.

For CGPA, do exactly the same thing, but across all semesters at once: add the quality points from every semester, add the credit hours from every semester, and divide. A common shortcut is to average your semester GPAs, but that shortcut is only correct when every semester has the same number of credits. When credit loads differ, the shortcut gives the wrong answer, as Example 3 shows.

The formula

Semester GPA = (sum of (grade point x credit hours) for each course) divided by (sum of credit hours).

CGPA = (sum of quality points from all semesters) divided by (sum of credit hours from all semesters).

Equivalently, CGPA = (sum over semesters of (semester GPA x semester credits)) divided by (total credits). Both forms give the same answer when you use unrounded semester quality points. If you only have rounded semester GPAs, the second form can drift by 0.01, so prefer the quality-points form whenever you have your course grades.

Worked example 1: a normal CSE semester

Take a first-semester CSE student with five courses. The credits are typical for a Bangladeshi engineering semester; the grades are illustrative.

Total quality points: 12.00 + 11.25 = 23.25; 23.25 + 9.75 = 33.00; 33.00 + 7.00 = 40.00; 40.00 + 4.50 = 44.50. Total credits: 3 + 3 + 3 + 2 + 1.5 = 12.5. Semester GPA = 44.50 / 12.5 = 3.56. Check: 12.5 x 3.56 = 44.50, so the division is exact. Notice how the 1.5-credit lab matters less than a 3-credit theory course: the lab’s B contributes 4.50 points, while a 3-credit B would contribute 9.00. Credit weight is the whole game in GPA arithmetic.

Worked example 2: one F grade, then a retake

Now suppose the same student fails Physics I with an F instead of the B+ above, keeping every other grade the same.

Quality points become: 12.00 + 11.25 + 0.00 + 7.00 + 4.50 = 34.75. Total credits are still 12.5, because the failed course’s credits stay in the divisor under standard practice. Semester GPA = 34.75 / 12.5 = 2.78. Check: 12.5 x 2.78 = 34.75, exact. One F drags this semester from 3.56 down to 2.78, a drop of 0.78. That is the cost of a zero: the course still consumes 3 of your 12.5 credits while contributing nothing.

After retaking Physics I and earning an A- (3.50), the semester is recalculated with the new grade replacing the F (this replacement treatment is standard practice; confirm RSTU’s own retake rule with the Registrar, as flagged above). Quality points become: 12.00 + 11.25 + 10.50 + 7.00 + 4.50 = 45.25, because 3 x 3.50 = 10.50. Semester GPA = 45.25 / 12.5 = 3.62. Check: 12.5 x 3.62 = 45.25, exact. The retake does more than repair the damage: because the new A- (3.50) beats the original B+ (3.25), the semester ends at 3.62, slightly above the original 3.56. Retaking a failed course is therefore the single highest-value move available to a student with an F, far more valuable than marginally improving an already-passing grade.

Worked example 3: two semesters combined into a CGPA

Suppose the student from Example 1 (12.5 credits, 44.50 quality points, GPA 3.56) then completes a second semester of 15 credits at GPA 3.20, which means 15 x 3.20 = 48.00 quality points. The CGPA is not the simple average of 3.56 and 3.20, which would be 3.38. The correct credit-weighted calculation is: total quality points 44.50 + 48.00 = 92.50; total credits 12.5 + 15 = 27.5; CGPA = 92.50 / 27.5 = 3.3636, which rounds to 3.36. The simple average (3.38) overstates the result because it gives the lighter 12.5-credit semester equal weight with the heavier 15-credit semester. Whenever your semesters carry different credit loads, always use quality points, never a plain average of GPAs. You can cross-check this kind of multi-semester result on the CGPAPro homepage calculator by entering all courses from both semesters together.

Worked example 4: planning a target CGPA

Suppose you have completed 60 credits with a CGPA of 3.10, and you have one 15-credit semester left, for a degree total of 75 credits. What semester GPA do you need to finish at 3.20?

Quality points already held: 60 x 3.10 = 186.00. Total quality points needed for 3.20 over 75 credits: 75 x 3.20 = 240.00. Quality points still needed: 240.00 – 186.00 = 54.00. Required semester GPA: 54.00 / 15 = 3.60. So you need an A- average (3.50) or better across that final semester, in fact a 3.60 average, which means mostly A- grades with some A grades mixed in. Check: (186.00 + 54.00) / 75 = 240.00 / 75 = 3.20, exact.

Now test a more ambitious target: finishing at 3.50. Total quality points needed: 75 x 3.50 = 262.50. Still needed: 262.50 – 186.00 = 76.50. Required semester GPA: 76.50 / 15 = 5.10, which is above the 4.00 maximum and therefore impossible. This is the most useful lesson in target planning: once your completed credits are large relative to your remaining credits, some targets are mathematically out of reach no matter how well you perform, and it is better to learn that early and set a reachable target (here, 3.20 or 3.25) than to chase an impossible one. The general formula is: required GPA = (target CGPA x total credits – quality points held) / remaining credits. If the answer is above 4.00, the target cannot be reached.

GPA vs CGPA: what each one actually measures

GPA measures one semester (or one term) only. CGPA measures everything from your first semester up to now. Employers, scholarship committees, and postgraduate admission offices almost always ask for CGPA, because it is the whole-degree summary. Your semester GPA is still important: it is the number that moves your CGPA, it is what probation decisions (where they exist) usually look at, and it is the number you can actually change next semester. Think of GPA as your speed in one stretch of road and CGPA as your average speed for the whole journey: a single fast stretch cannot fully undo a slow start, but every stretch still counts.

Related guides on this site explain the same UGC-based calculation for other Bangladeshi universities, which is useful if you are comparing RSTU with a transfer destination or a sibling’s university: the Fareast International University grading guide, the German University Bangladesh grading guide, the Cox’s Bazar International University grading guide, and the Central Women’s University grading guide all use the same national-reference scale, with their own verified programme details.

What your CGPA means in Bangladesh

Under the national convention used across Bangladeshi universities, a CGPA of 3.00 to 4.00 is treated as First Class, 2.25 to 2.99 as Second Class, and 2.00 to 2.24 as Third Class. These bands are a national convention for classification and government-recruitment eligibility, not a published RSTU rule, and they are stated here only so you can interpret your number: a CGPA of 3.00 is the widely used First Class threshold, which is why many job circulars ask for a minimum CGPA of 3.00 or a First Class degree. A CGPA of 2.00 is the lowest passing degree-level average in the convention, which is why falling below it is dangerous anywhere. For RSTU’s own degree requirement, see the UNVERIFIED flag above and confirm with the Registrar: do not assume RSTU’s graduation floor is 2.00 or 2.50 just because other universities use those numbers.

Common mistakes that cost RSTU students CGPA points

• Averaging semester GPAs instead of weighting by credits. As Example 3 shows, a plain average overstates or understates your CGPA whenever semesters differ in credits. Always use quality points.
• Leaving an F out of the divisor. An F contributes 0 points but its credits still count. Dropping it from the divisor inflates your GPA and hides the real damage.
• Using the wrong university’s scale. NSU/BRAC-style tables (A at 90%) and RU/RUET ordinances are the two most common wrong sources for RSTU students. Check that your table starts at 80% for A+.
• Confusing marks with grade points. A mark of 78 is not a grade point of 3.78. Convert marks to a letter grade first, then to the grade point: 78% is an A worth 3.75.
• Rounding too early. Rounding each course’s contribution or each semester’s GPA before the final division can shift your result by 0.01 or 0.02. Keep full precision until the last step.
• Assuming a retake erases history automatically. Retake replacement is standard practice, but RSTU’s own rule is UNVERIFIED. Some institutions keep both attempts on the transcript or limit the number of retakes. Confirm before you rely on a retake plan.
• Trusting an unofficial CGPA-to-percentage converter. CGPA x 25 is an estimate, not a conversion rule. If an employer or foreign university asks for a percentage, ask RSTU for an official transcript or conversion statement.

Tips to raise your RSTU CGPA

• Clear every F first. Replacing a 0.00 with even a C (2.25) on a 3-credit course adds 6.75 quality points. No other single action moves your CGPA as much.
• Weight your effort by credits. An hour spent lifting a 3-credit course from B to A- gains 1.50 quality points (3 credits x 0.50 grade points); the same hour on a 1-credit lab gains far less. Prioritise heavy courses.
• Protect the band boundaries. Because bands are “to less than” bands, a single mark can move you a full grade step: 79% to 80% is worth 0.25 grade points on that course. If you are near a boundary, that course deserves the extra revision.
• Plan with the target formula, not hope. Use Example 4’s formula at the start of each semester: required GPA = (target CGPA x total credits – quality points held) / remaining credits. If it is above 4.00, reset the target now.
• Check your grade sheet against the calculator every semester. Enter your courses on the CGPAPro homepage calculator and compare with your published result. A mismatch usually means a credit value or a grade was copied wrong, and catching it early is much easier than disputing it later.
• Keep attendance and in-course marks in mind. While RSTU’s exact marks split is UNVERIFIED, in-course assessment and attendance typically contribute a meaningful share of the final mark at Bangladeshi universities. Losing easy in-course marks is the most avoidable way to drop a grade band.

Frequently asked questions

What grading system does RSTU use?

RSTU uses the Bangladesh 4.00 scale. Under the UGC uniform reference table, A+ (80% and above) is 4.00, A is 3.75, A- is 3.50, B+ is 3.25, B is 3.00, B- is 2.75, C+ is 2.50, C is 2.25, D is 2.00, and F (below 40%) is 0.00. RSTU publishes no grade table of its own online, so this national-reference table is the one to use unless your RSTU grade sheet states otherwise.

What CGPA do I need to graduate from RSTU?

UNVERIFIED: no RSTU graduation CGPA floor could be confirmed from a published RSTU document. Comparable Bangladeshi private universities commonly require 2.00 or 2.50, but neither figure is claimed for RSTU here. Ask the Registrar’s office or your department for your programme’s written degree requirement, and do not plan your final semesters around an assumed number.

Does an F grade count in my CGPA?

Yes, under standard UGC practice. An F contributes 0 quality points, but its credits remain in the divisor, so it pulls your GPA down substantially (see Example 2, where one F moved a semester from 3.56 to 2.78). The only way to repair it is to retake the course, subject to RSTU’s own retake rule, which is UNVERIFIED and should be confirmed with the Registrar.

Can I retake a course to improve my grade at RSTU?

UNVERIFIED for RSTU specifically. At comparable institutions, failed courses must be retaken and low passing grades (often C+ or below) may be retaken for improvement, with the new grade replacing the old one in the CGPA while credits are counted once. Treat that as a question to put to the Registrar, not as an RSTU promise, and get the answer in writing before you skip a retake window.

How do I convert my RSTU CGPA to a percentage?

There is no official RSTU conversion. The rough estimate used widely in Bangladesh is CGPA x 25: a CGPA of 3.20 estimates to about 80%, and 3.50 to about 87.5%. Use it only as an estimate on a CV or application draft. If an employer, scholarship body, or foreign university needs an official figure, request a transcript or conversion statement from RSTU.

Is RSTU the same as Rajshahi University (RU)?

No. RSTU is Rajshahi Science and Technology University, a private university in Natore established in 2013. The University of Rajshahi (RU) is a public university in Rajshahi city with its own ordinances, and RUET is a separate public engineering university. If a grading page mentions yearly “Part” examinations, it is an RU document, not an RSTU one.

Why can I not find RSTU’s official grading page?

Because RSTU’s official website, rstu.edu.bd, is currently under development and shows only a coming-soon page, with no academic regulations, prospectus, or grade table published online as of 30 October 2026. That is also why this guide is explicit about which rules are national reference and which are UNVERIFIED. Until the new site launches, the Registrar’s office and your department’s printed curriculum are the authoritative sources, and your own grade sheet is the final word on your grades.

Conclusion

RSTU students do not need a complicated system: the 4.00 UGC uniform scale, credit-weighted averaging, and the target formula in Example 4 cover almost every calculation you will ever need. What you do need is care about which university’s rules you are reading, because the internet will happily hand you Rajshahi University’s ordinance when you asked for RSTU’s. Use the table in this guide, check every result on the CGPAPro homepage calculator, clear any F at the first opportunity, and confirm the handful of UNVERIFIED rules (retake policy, probation threshold, graduation CGPA floor, attendance requirement) with RSTU’s Registrar’s office in writing. Your grade sheet is the document that counts; this guide is the tool that helps you read it correctly.

Sources

• Rajshahi Science and Technology University, official website (rstu.edu.bd) – opened 30 October 2026; currently a coming-soon / under-development page, with no published grade table, prospectus, or academic regulations.
• University of Rajshahi, Office of International Affairs, Grading System at University of Rajshahi – reproduces the UGC uniform grading system recommended for all public and private universities from session 2006-2007, with the full letter-grade and grade-point table used as this guide’s national reference.
• R. P. Shaha University, Academic Informations and Policies – independent published cross-check of the identical UGC uniform grade table.
• Rajshahi Science and Technology University, Wikipedia – identity, establishment year (2013), private status, UGC recognition, faculties and programmes, and campus addresses.
• University Grants Commission of Bangladesh, Uniform Recommended Grading System document – the UGC’s uniform grading guideline for all public and private universities, session 2006-2007 onward.
• Britannia University, Evaluation and Grading System page – further published confirmation that the UGC uniform table applies to private universities in Bangladesh.