Let's work it out.
Choose the right retake scenario
The retake GPA calculator compares two simplified models. Replacement removes the old course quality points and adds the new ones while keeping the same counted credits. Both-attempt counting leaves the old result in place and adds the new attempt’s credits and points.
Your starting cumulative GPA must already include the old attempt. Enter the repeated course’s credits, the old and new grade points, and a maximum consistent with the chosen scale. This tool assumes the old and new course have the same credit value.
Replacement example
A 2.5 GPA over 60 included credits represents 150 quality points. A three-credit F contributes zero points but its credits are included. Replacing it with a three-credit A adds 12 quality points without changing the denominator. The new result is 162 ÷ 60 = 2.7.
The retake GPA calculator does not decide whether replacement is permitted. Some policies apply only to particular grades, require permission or limit how many credits qualify. A transcript can retain both attempts even when only one enters a particular GPA.
Both-attempt example
Using the same initial record, a new three-credit A adds 12 quality points and three GPA credits. The new total is 162 quality points over 63 credits, or approximately 2.5714. That improves the GPA less than full replacement in this example.
The denominator matters just as much as the added quality points. Do not subtract the old F’s credits in a both-attempt model, because the assumption is that the old attempt remains included.
Policies can be more complicated than either model
Some institutions use the latest grade, others the highest eligible grade, and some apply academic forgiveness under specific conditions. Transfer repeats, credit changes and courses repeated for additional credit can require separate treatment.
If the new grade is lower, a latest-grade replacement policy could lower the GPA. The retake GPA calculator permits a lower new grade so you can see that consequence. It does not automatically choose whichever outcome is more favorable.
Check your existing totals before calculating
The tool rejects a repeated course with more credits than the current GPA total and an old-course quality-point total greater than the entire record. These checks catch impossible arithmetic, but they cannot verify the authenticity or completeness of a transcript.
For multiple repeated courses, calculate sequentially only if the selected policy and credit assumptions remain valid. Keep a written list of which attempts have been changed. Use the retake GPA calculator as a planning aid and obtain official confirmation before relying on a replacement for an application deadline.
Frequently asked questions
Does retaking remove the old course from my transcript?
Not necessarily. Transcript visibility and GPA counting are separate questions. Check your registrar’s rules.
Can I model different credit values for the new attempt?
Not in this simplified tool. It assumes equal old/new course credits; ask the registrar how unequal attempts are treated.
Does this replace my official transcript?
No. This is an independent planning tool. Your institution decides which courses count, assigns grade points and applies its own repeat and display rules.
Are my grades sent to a calculator service?
The calculator runs in your browser. Inputs are not submitted to our server by the calculator. Saving is optional and uses this browser’s local storage; a CSV export creates a file on your device.
Can I use a different grading scale?
Choose the matching preset or Custom numeric points and enter the values from your school’s published policy. The maximum field is a validation limit, not an automatic conversion between scales.
Keep your next step clear
Use the retake gpa calculator to review the selected scale, credits and assumptions before using the result. Keep actual grades separate from projected scenarios and compare the estimate with your school’s instructions. Use the related tools below when you move from one semester to a cumulative plan or an individual assessment target.
Related tools: semester GPA · cumulative GPA · target planning · student guides.