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Best GPA Calculator for College and High School Students
We have designed the best GPA calculator in the US academic system. We have designed this tool to make conversion easier for students and mentors. You can use this GPA calculator with confidence and check your results.
We have provided the most commonly used 4.0 and 4.33 grading systems separately. You can choose your grading system and calculate your GPA accordingly.
We have also added the mock what-if option. You can jump between different scenarios, so you know what you must do to get your desired CGPA. You can save your results and download them in PDF format.
Is this GPA calculator for you?
This simple GPA calculator is for everyone who needs an academic conversion:
- Students: You are its main user. Use this tool to calculate your GPA with ease
- Parents: It is useful for parents who want to keep track of their child’s academic performance.
- International Students: If you are applying to the USA from another country, you may need to convert your results from a different grading system to the US-approved grading system. This tool can help you minimise your workload and deliver accurate results.
- Advisors: This service helps convert multiple calculations; you can use this tool as many times as you need.
What can you do with this tool?
This tool is designed to help you in calculating your GPA, but it has other uses too:
- Calculate SGPA (semester grade point average), GPA (grade point average), and CGPA (cumulative grade point average) in the USA
- Convert between 4.0 and 4.33 grading systems
- It also provides an option for Custom grading
- Add different levels of your course (Honors, regular, AB/IB) to get weighted results
- Inter-convert percent to words grade with threshold
- Use our save and download options
- You can try the scenario-based what-if option to calculate the future required results
How to use?
This tool is straightforward to operate. You can use this calculator by keeping the following steps in mind:
- Choose the grade you need, e.g., 4.0, 4.33, or Custom
- Add term, e.g., Summer 2025
- Add your courses with letters, credits, and levels
- This is an Optional step. Turn on the Percent input to convert percent to letters.
- Keep repeating the above steps for the required courses
Additionally, to check the future-based GPA needed to acquire a higher CGPA, you can use our what-if option. Just select the option and repeat the above steps.
Important: If your institute follows a different grade mapping, use the custom option to add these values accordingly
GPA in the US
Grade point average (GPA) is the measure of your performance in academia. The formula to calculate GPA is:
GPA= ∑(Points × Credits)÷ ∑(Credits)
Letter to Points general mapping (4.0 and 4.33)
| Letter | 4.33 Scale | 4.0 Scale |
|---|---|---|
| A+ | 4.33 | 4.0 |
| A | 4.0 | 4.0 |
| A- | 3.67 | 3.7 |
| B+ | 3.33 | 3.3 |
| B | 3.0 | 3.0 |
| B- | 2.67 | 2.7 |
| C+ | 2.33 | 2.3 |
| C | 2.0 | 2.0 |
| C- | 1.67 | 1.7 |
| D+ | 1.33 | 1.3 |
| D | 1.0 | 1.0 |
| D- | 0.67 | 0.7 |
| F | 0.00 | 0.00 |
Weighted and un-weighted bonuses
Some degrees add bonus points for advanced-level courses. See the table and add them to the calculation accordingly
| Course Level | Addition |
|---|---|
| AP / IB | +1.0 |
| Honors | +0.5 |
| Regular | +0.00 |
Letter and Percentage Conversion
We have provided a reference letter for the percentage-to-letter threshold. Use this as a reference only.
| Letter | Points (Grade 4.00 | Percentage |
|---|---|---|
| A+ | 4.0 | 97-100% |
| A | 4.0 | 93-96% |
| A- | 3.7 | 90-92% |
| B+ | 3.3 | 87-89% |
| B | 3.0 | 83-86% |
| B- | 2.7 | 80-82% |
| C+ | 2.3 | 77-79% |
| C | 2.0 | 73-76% |
| C- | 1.7 | 70-72% |
| D+ | 1.3 | 67-69% |
| D | 1.0 | 63-66% |
| D- | 0.7 | 60-62% |
| F | 0.00 | Less than 60% |
Important: This table is for reference only; always use your school’s guidelines
Examples
Let’s look at some examples to understand the grading system better.
Example # 1: Unweighted Semester
In the following table, we have added examples to help you better understand.
| Subjects | Credit | Points | Letters | Grade Points |
|---|---|---|---|---|
| Maths | 3 | 3.1 | B | 9.3 |
| Physics | 4 | 3.7 | A- | 14.8 |
| Biology | 4 | 3.3 | B+ | 13.2 |
| Literature | 3 | 4.0 | A | 12 |
| 14 | 49.3 |
GPA= ∑(Grade Points ×Credit)÷Total Credits
GPA= 49.3÷14
GPA=3.5
Example # 2: Weighted Semester
Now, use the above example and calculate the GPA based on Physics is Honors (+0.5) and Biology as AP (+1.0).
Physics 3.7 + 0.5 = 4.2
Biology 3.3 + 1.0 = 4.3
Calculate the GPA again with these changed values and see the uplifting change in the GPA. It gives us the idea of why we should be careful when we are calculating the GPA. Ignoring one simple fact will give you the wrong answer.
Example # 3: Difference from 4.0 to 4.33
The values for A+ grades in these different grading systems can vary slightly. For example, an A+ in physics with a 4.0 scale is 3.94, and a 4.00+ with a 4.33 scale. Make sure you choose the right scale when calculating your GPA to avoid incorrect answers.
Example # 4: Cumulative Grade Point Average
This tool can help you calculate the CGPA as well for multiple semesters. Let’s look at the following example:
A student has the following credits obtained:
37 credits obtained with 12 credit hours
39 credits secured with 11 credit hours
The formula:
CGPA= ∑(Credit Points)÷Total Credits
CGPA= ∑(37+39)÷(12+11)
CGPA= 76÷23
CGPA= 3.3
Credits and quality points
We have been using these terms from the start of our guide; let’s understand properly what they are.
- Credits: It shows the weightage of a particular subject in a semester. The common rule is that the higher the number is, the more credits that subject has in the semester. A course with credits 4 has bigger impact on your result than a course with credit 2.
- Quality points: It shows your performance in a particular subject. It is obtained by the following formula:
Quality Points=points obtained × credit hours
Common mistakes while calculating GPA and how to fix.
Students make common mistakes when using our tool. Let’s discuss some and learn how to ignore them:
- Wrong Scale: Using the wrong scale will give you a slightly different answer. Make sure you always choose the correct scale, either 4.0 or 4.33
- Course level: Ignoring extra points for honors or AP and IB levels can upset your GPA result. Always mark the course level option.
- Hasty rounding-off: Rounding off in the earlier stage can impact your score little by little. Always keep the 3-4 decimal places till the end, then round off.
- P/F as points: Counting the failed subjects as points will give inflated averages. Only record credits, never points.
- Percent threshold: Choosing the wrong percent threshold will give answers according to that specific system. Make sure to choose the right model so you get results that match your institute.
What-if tool usage.
This tool helps you achieve your goal by calculating what you need to achieve to get to a certain CGPA. Let’s see the following formula and learn what it means.
Let RCGPA = Required CGPA, CGPA = Current GPA, CC = Completed Credits, PC = Planned Credits, TGPA = Target GPA
RCGPA=[(TGPA × (CC+PC))-(CGPA × CC)]÷PC
Scenario-Based Case Studies:
Scenario # 1: Student aiming to increase GPA
Let’s take an example of a student who wants to increase their GPA. Some of the important values are as follows:
- Current CGPA = 3.45 over 40 hours
- Credits this term = 16 hours, including two 4-credit AP subjects
- Targeted CGPA = 3.70
After giving this information in our GPA calculator, the planner showed that the student needs to achieve 3.95 in this semester.
Scenario # 2: Moving up the CGPA while improving SGPA
A student who is standing at 2.80 CGPA in the previous semesters wants to increase his CGPA to 3.2. Let’s see what our GPA calculator tells us about this:
- Current CGPA = 2.80 over 36 hours
- Credits this term = 15
- Targeted CGPA = 3.2
After entering these values in our GPA calculator, it tells us that the student needs to achieve 3.60 in this semester to get to 3.2. Although this calculation looks simple, it has taken into consideration many factors. There was not just the general multiplication, but division was also involved.
How does our CGPA calculator help you?
This tool has multiple benefits for the user. Let’s investigate some:
- Swiftness: You will get the results quickly after putting in the required information.
- Flexibility: You can choose from different scales and add values in a custom option.
- Accurate results: This tool gives accurate results by keeping all the information in view.
- Planning: Our what-if tool helps you in planning the desired CGPA
- Records: We have provided the save option; you can either save or download the data in PDF form.
Privacy
We value your privacy. We do not ask for any information from you, and we will not store any data from you without your consent. You can either choose to save the data online or refresh the page, so you won't save any data.
You can also download your results as a PDF. You can delete the data after saving it online, too.
Tips for result's accuracy:
Here are some tips that you can use to get the results accurately
- Always put the exact credit hours from your transcript
- Be careful when you choose the scale; make sure you choose 4.0 or 4.33 as per your grading system
- Be considerate of your course level (honors, AP/IB) if your institute has a weighted system
- Add what-if before you start the calculations to avoid overloading
- Keep on visiting mid-term so you know you are going on the right track
Tips for result's accuracy:
Here are some tips that you can use to get the results accurately
- Goals: This is the most crucial part of your journey. Be realistic and set goals that you think are achievable. Work on your weaknesses and keep shining your strengths.
- Time Management: This is the key in your life; if you can manage your time well, you are ahead of many people.
- Ask when needed: Be confident and own yourself. If you don’t know something or are confused, never hesitate to ask your friends or teachers. Asking broadens your horizon.
- Revise: Practice makes perfect, this simple idiom carries a basic technique that works.
- Be active: Academics is not just about books; you need a sharp and healthy mind to excel in life. Sports are a good way to keep your mind and body healthy.
- Be Adaptive: Be flexible in your mind; be adaptable to new things and always keep an open mind so you can learn from everything.
- Use resources well: These days, institutes offer a range of resources beyond books; use them and learn from them.
- Open to feedback: Always ask for feedback from your mentors on how you can improve further in anything.
Frequently Asked Questions
Yes, you can enter a percentage, and the GPA calculator will map the percentage to letters.
Yes, our what-if options help in getting the results better by giving you the information about the required SGPA you need to come back.
Yes, you can save or download the results and discuss with anyone you want.
Yes, if your institute’s policy is different for A+, it will impact differently.
The difference can arise from changes in scale, rounding, or P/F handling. Choose the registrar’s scale to get the exact answers.
The only difference is the bonus points added in the weighted subjects while unweighted uses the basic scale.
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