College GPA Calculator

College GPA is the number that decides scholarships, honours, internships, and graduate school admissions, and it is calculated on the US 4.0 scale from your letter grades and credit hours. This page gives you a free GPA calculator that handles college courses properly: it weights each grade by its credit hours, supports honours and AP bonuses, and calculates cumulative GPA across terms. Enter your courses below and your college GPA appears instantly.

You need a college GPA calculator at the end of every term, when you plan next term’s courses, and when you apply for anything that asks for a GPA. A student with 15 credits and 53.25 grade points has a 3.55 GPA, which is strong for most colleges. The examples below work through a real college term course by course, and the tables give you the grade points, the weighted rules, and the targets for the GPA you want.

What Is GPA on the US 4.0 Scale

GPA, or grade point average, is a single number that summarises your grades, and in the United States it is measured on a 4.0 scale. Each letter grade is worth a set number of points: an A is 4.0, a B is 3.0, a C is 2.0, a D is 1.0, and an F is 0.0, with plus and minus grades worth a third of a point more or less, so an A-minus is 3.7 and a B-plus is 3.3. Your GPA is the average of those points, weighted by the credit hours of each course. A student with all As has a 4.0, a student with all Bs has a 3.0, and most students fall somewhere in between.

This page uses the US 4.0 scale only. Some schools use a weighted scale, where honours courses add 0.5 points and Advanced Placement and International Baccalaureate courses add 1.0 point, so an A in an AP course can be worth 5.0 instead of 4.0. The calculator above supports both: choose Unweighted for the standard 4.0 scale, or Weighted for the honours and AP bonus. Your school’s own scale is the final authority, so check your handbook or transcript if your grades use a different system, and use the grade calculator for the score behind any single course grade.

Step-by-step: how to calculate GPA

1. Convert each grade to points. Use the table below: an A is 4.0, an A-minus is 3.7, a B-plus is 3.3, a B is 3.0, and so on down to an F at 0.0.
2. Multiply points by credit hours. A 3-credit course with an A is worth 4.0 times 3, which is 12 grade points. A 4-credit course with a B is worth 3.0 times 4, which is 12 points too.
3. Add up all the grade points. Total the points from every course in the term or period you are measuring.
4. Add up all the credit hours. Total the credits from the same courses.
5. Divide points by credits. The result is your GPA. For example, 53.25 grade points divided by 15 credits is a 3.55 GPA.

The GPA Formula

The GPA formula is a weighted average: GPA equals total grade points divided by total credit hours. Total grade points is the sum, over every course, of the grade points for that course multiplied by its credit hours. That weighting matters, because a 4-credit course counts more than a 2-credit course. A student who earns an A in a 2-credit course and a C in a 4-credit course does not have a 3.0 GPA, even though the average of 4.0 and 2.0 is 3.0. The correct calculation is 4.0 times 2 plus 2.0 times 4, which is 8 plus 8, which is 16 grade points, divided by 6 credits, which is 2.67.

Cumulative GPA uses the same formula over your whole academic record instead of one term. Add up all the grade points you have ever earned and divide by all the credit hours you have ever taken. That is why early grades matter: a low grade in your first term stays in the cumulative total for years, and raising it takes many later credits. The calculator above has a cumulative mode for exactly this, so you can see how a new term moves your overall number.

Worked Examples

The table below works through a real 15-credit college term, course by course. Each row converts the letter grade to points, multiplies by the credits, and the total at the bottom gives the term GPA.

Add the grade points: 12.00 plus 11.10 plus 13.20 plus 9.00 plus 8.00 equals 53.25. Divide by the 15 credits and the term GPA is 3.55. Notice that History 201, the 4-credit course, contributes the most points even though its grade is a B-plus, because credits weight the average. That is why a low grade in a high-credit course hurts more than a low grade in a 1-credit lab.

Letter Grades and Grade Points

The table below is the standard US 4.0 scale used by the calculator above. Percentage ranges vary by school, so your school may use slightly different cut-offs, but the point values are the same almost everywhere in the United States.

Unweighted vs Weighted GPA

College GPA comes in two forms, and confusing them is the most common mistake students make. Unweighted GPA caps at 4.0 and treats every course equally, while weighted GPA adds a bonus for harder courses and can go above 4.0. Most colleges recalculate GPA their own way when they review applications, and many use the unweighted number, so know which one you are reporting before you write it on an application.

Common Mistakes to Avoid

Most wrong GPA results come from a small set of slips. They are easy to make because the numbers look plausible even when they are wrong, so check your calculation against this list before you trust it.

• Averaging grades without weighting by credits. A 4-credit course counts twice as much as a 2-credit course. Always multiply points by credits before adding.
• Mixing weighted and unweighted scales. A weighted GPA can go above 4.0, while an unweighted GPA cannot. Never compare a weighted number with an unweighted one.
• Using the wrong plus and minus values. An A-minus is 3.7, not 3.5, and a B-plus is 3.3, not 3.5. The plus and minus steps are a third of a point, not a half.
• Including pass and fail courses. Pass and fail courses usually do not count toward GPA at all. Check your school’s policy before including them.
• Forgetting dropped or repeated courses. Some schools replace a repeated grade, while others average both attempts. Your transcript shows which rule your school uses.
• Rounding too early. Round only the final GPA, to two decimal places. Rounding each course’s points first shifts the result.

What Is a Good GPA

A good GPA depends on your goal. For most colleges, a 3.0 is solid, a 3.5 is strong, and a 3.7 or above is competitive for selective schools, while a 2.0 is usually the minimum to stay in good academic standing. The national average for high school students in the United States is about 3.0, and the average for college students is a little higher. What matters most is the trend: admissions officers and employers look at whether your grades are rising, and a strong recent term can outweigh a weak early one, especially when the cumulative GPA is explained in context.

• 3.7 to 4.0. Excellent. Competitive for selective colleges, honours programmes, and most scholarships.
• 3.3 to 3.6. Strong. Above average, and competitive for most colleges and many scholarships.
• 3.0 to 3.2. Solid. Around the national average, and enough for most colleges and for good academic standing.
• 2.5 to 2.9. Below average, but workable. Focus on raising the next term, since a rising trend matters.
• Below 2.0. At risk. Most schools put students below 2.0 on academic probation, so talk to an adviser early.

Tips for Raising Your GPA

A few habits move a GPA more than any calculator trick, because GPA is a weighted average and every credit counts.

1. Protect the high-credit courses. A 4-credit course moves your GPA twice as much as a 2-credit course, so put your best effort where the credits are.
2. Fix one grade at a time. Raising a single C to a B in a 3-credit course adds 3 grade points, which lifts a 15-credit term GPA by 0.20.
3. Use the target tool. Enter your current GPA and credits in the calculator above, set your target, and it shows the GPA you need next term.
4. Ask about grade replacement. Some schools let you retake a course and replace the old grade, which can lift a cumulative GPA faster than new credits alone.
5. Track every term. Calculate your GPA at the end of each term, so a weak term is caught early instead of discovered at graduation.

Related Tools

Try the main GPA calculator for any term, or explore related tools on this site: grade calculator, percentage calculator, average calculator, time calculator. The College Board publishes guidance on the US 4.0 GPA scale and guidance on how colleges read it.

Frequently Asked Questions

How do I calculate my college GPA?

Convert each letter grade to points on the 4.0 scale, multiply by the course credit hours, add up all the grade points, and divide by total credits. For example, 53.25 points over 15 credits is a 3.55 GPA.

What is a good college GPA?

A 3.0 is solid, a 3.5 is strong, and a 3.7 or above is competitive for selective programmes and scholarships. The national average for college students is a little above 3.0.

Is a 3.55 GPA good in college?

Yes. A 3.55 is strong and above average. It is competitive for most colleges, honours programmes, and many scholarships, especially with a rising trend.

How is college GPA different from high school GPA?

College GPA is calculated from college courses and credit hours, and most colleges use the unweighted 4.0 scale. High school GPA often includes weighted bonuses for honours and AP courses, which college GPA usually does not.

Does a 4-credit course count more than a 2-credit course?

Yes. GPA is weighted by credits, so a 4-credit course counts twice as much as a 2-credit course. A low grade in a high-credit course hurts more, and a high grade helps more.

Can I raise my college GPA after a bad term?

Yes. Every new term adds credits and points to the cumulative total, so strong later terms pull the average up. Retaking a failed course, where your school allows grade replacement, can raise it faster.

Disclaimer: This calculator is for general information only and uses the standard US 4.0 scale. Your school may use different percentage ranges, plus and minus values, or weighting rules, so confirm your GPA with your transcript or academic adviser.