Niu GPA Calculator – Accurate GPA Results

This tool helps you calculate your NIU GPA quickly and accurately.

How to Use the NIU GPA Calculator

To calculate your GPA using this tool, enter the letter grades and credit hours for up to four courses. Click the “Calculate” button to see your resulting GPA.


This GPA calculator converts letter grades to grade points and then calculates the weighted average based on the credit hours for each course. The letter grades are converted to grade points using the following scale:

  • A: 4.0
  • A-: 3.7
  • B+: 3.3
  • B: 3.0
  • B-: 2.7
  • C+: 2.3
  • C: 2.0
  • C-: 1.7
  • D+: 1.3
  • D: 1.0
  • D-: 0.7
  • F: 0.0


This calculator currently supports only up to four courses. Only standard letter grades from A to F (including + and -) are supported. Ensure you enter grades in the correct format to get accurate results.

Use Cases for This Calculator

Calculating Semester GPA

Enter your course grades and credits to quickly calculate your semester GPA. The calculator will accurately compute your GPA based on the entered values, providing you with an instant result for easy reference.

Estimating Cumulative GPA

Input your current GPA and total earned credits along with the grades and credits for your current semester to get an estimate of your cumulative GPA. This feature helps you plan future semesters or track your academic progress effectively.

Exploring Grade Improvement Scenarios

Experiment with different grade scenarios for your ongoing courses to see how they could impact your GPA. Adjusting grades allows you to set targets or identify areas where improvement is needed to achieve your desired GPA.

Accounting for Credit Hours

Understand the impact of credit hours on your GPA by entering different credit values for your courses. The calculator will accurately consider the credits along with the grades, showing you how varying credit loads affect your overall GPA.

Handling Grade System Changes

Easily switch between different grade systems such as letter grades, percentages, or grade points while calculating your GPA. This flexibility ensures that you can use the calculator regardless of the grading system used by your institution.

Tracking Incomplete Grades

Include any incomplete grades in your current semester to see the potential impact on your GPA once those grades are finalized. This feature helps you stay informed about your expected GPA and make strategic decisions regarding your studies.

Forecasting GPA Goals

Set GPA goals for upcoming semesters by entering target grades and credits to see the GPA you need to achieve them. This forward-looking feature empowers you to plan your academic journey effectively to reach your desired GPA.

Comparing GPA Scenarios

Compare different GPA outcomes by tweaking grades for individual courses to visualize the overall impact on your GPA. This side-by-side comparison feature helps you assess various scenarios and make informed decisions about your academic performance.

Customizing Grade Weightage

Adjust the weightage of individual grades based on their importance in your overall GPA calculation. This customization feature allows you to prioritize certain courses or semesters, giving you a more tailored and accurate representation of your academic performance.

Sharing and Saving Results

Share your calculated GPA results with peers or advisors via email or save them for future reference. This sharing and saving functionality ensures that you can easily communicate your GPA status or track your progress over time using the calculator.

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