25 Out of 28 = 89.3% (B+, 3.3 GPA)

25 out of 28 Score Calculator

Percentage89.3%
Letter gradeB+
GPA points3.3

Quick answer: 25 out of 28 is 89.3%, a B+ grade worth 3.3 GPA points on the standard US 4.0 scale used on this site.

One point is the whole story here: 25 out of 28 is a strong B+, and a single extra correct answer changes the letter. Say a teacher in North Carolina grading a geography quiz finishes a 28-question geography quiz. The percent says how much was right, the letter is the school label, and the GPA value is how it counts toward an average.

25 out of 28 grade

How to calculate a 25 out of 28 grade

Percentage = (points earned / total points) x 100

  1. Divide points earned by total points: 25 / 28 = 0.8930 (rounded here to four decimals for display).
  2. Multiply by 100: 0.8930 x 100 = 89.3%.

How to read your result on the US grading scale

Find the percent in the table below, then read across to the letter and the GPA points. This site uses whole-percent bands, and the letter for this score comes from the percent rounded to the nearest whole percent, 89%, matched against those bands.

PercentLetter gradeGPA points
97-100A+4.0
93-96A4.0
90-92A-3.7
87-89B+3.3
83-86B3.0
80-82B-2.7
77-79C+2.3
73-76C2.0
70-72C-1.7
67-69D+1.3
63-66D1.0
60-62D-0.7
Below 60F0.0

Every score on a 28-point test

This chart uses the same scale and rounding rule for every row.

ScorePercentLetter
28 out of 28100.0%A+
27 out of 2896.4%A
26 out of 2892.9%A
25 out of 2889.3%B+
24 out of 2885.7%B
23 out of 2882.1%B-
22 out of 2878.6%C+
21 out of 2875.0%C
20 out of 2871.4%C-

On that table, 89.3% is a B+ at 3.3 GPA points. For background on how US letter grades and GPA work, see Academic grading in the United States.

What this grade means, and what one more point does

A B+ at 89.3% passes on the standard scale used here, since failing starts below 60%. Some programs still ask for a C or better for a course to count toward a major, so check the syllabus when that bar applies.

One more correct answer gives 26 out of 28 at 92.9%, a A. One question is worth about 3.6 points here, so a letter can change on one answer.

Common mistakes with a score like this

  • Reading the fraction as the percent. 25 out of 28 is not 25%. Divide first, then multiply by 100.
  • Rounding too early. Round only at the last step, or the percent shifts.
  • Using the wrong total. Bonus points or a dropped question change the total from 28.
  • Mixing scales. A flat 90-80-70-60 scale labels this percent differently from the plus/minus scale used here. The syllabus scale wins.

When the gradebook may differ for a 25 out of 28 grade

Curved tests, dropped questions, extra credit, and partial credit all change the number a gradebook shows. A teacher who rounds up, or who uses a flat 10-point scale, can record a different letter for the same percent. Treat this page as the standard-scale answer for planning, and the official gradebook as final.

Frequently asked questions

What is a 25 out of 28 grade as a percentage?

25 out of 28 is 89.3%. Divide 25 by 28 to get 0.8930, then multiply by 100.

What letter grade is a 25 out of 28 grade?

It is a B+ on the standard US plus/minus scale used on this site, worth 3.3 GPA points.

Is a 25 out of 28 grade a passing grade?

Yes, on the standard scale used here, since failing starts below 60%. A specific program can still set a higher bar, so check the syllabus.

What is a 25 out of 28 grade as a GPA?

It converts to 3.3 GPA points on the 4.0 scale. That value is for one score only; a course GPA averages all scores with their weights.

How many points would change the letter grade?

One more correct answer gives 26 out of 28 at 92.9%, a A. One fewer correct answer drops the percent by about 3.6 points.

What a 25 out of 28 grade does to a course average

A 25 out of 28 grade rarely stands alone. Say this 28-point quiz counts for 20% of the course grade, and the student averages 90% on the other 80% of the course. The quiz contributes 89.3 x 0.20 = 17.9 points, and the rest contributes 90 x 0.80 = 72.0 points. Added together, the course average is 89.9%, a A- at 3.7 GPA points on the site scale.

That is why a score that looks strong on its own can still leave a course average lower than expected when the rest of the course is stronger, and why the same score can lift a course average when the rest of the course is weaker. Before worrying about one quiz, check its weight in the syllabus: a 20% quiz moves a course grade far more than a 5% homework set, and a final exam worth 40% can move it more than either.

A second way to use this score is to track it across a term. If the same student earns 25 out of 28 on two quizzes and then improves by one point on the third, the three-quiz average is (25 + 25 + 26) / 84 x 100 = 90.5%. Small, steady gains of one point per quiz add up faster than one large jump, because every point on a 28-point test is worth about 3.6 percent. Students who review only the questions they missed, rather than re-reading the whole chapter, usually gain that one point fastest.

How many points a 25 out of 28 grade needs for the next letter grade

One point on this test is worth about 3.6 percent, so the next letter is closer than it looks. One more correct answer gives 26 out of 28 at 92.9%, a A at 4.0 GPA points. That is the first higher letter that is actually reachable on a 28-point test: some letter bands contain no whole score at all on a short test, so a student can jump straight past a band without ever landing in it. Knowing the exact next reachable score stops two mistakes: aiming for a score that cannot change the letter, and assuming that one more point always changes the letter by exactly one step.

For teachers, this matters when a student asks what to study next. Pointing at the one or two questions that cost the point is more useful than a general instruction to study harder. For parents, it matters when deciding whether extra practice is worth the time: if the next letter needs only one more point, a short focused review is a good investment. If it needs three or four more points, the plan should be longer, covering the topic rather than a single question type.

For teachers, students, and parents: what to do next

Teachers can use this score to spot a pattern. If most of the class missed the same question, the question or the teaching of that topic needs attention, not the students. If only one student missed it, a short one-to-one correction is enough. Recording the score as a percent, a letter, and a GPA value together also prevents confusion later, because a percent alone does not show whether the school uses plus and minus grades.

Students should check three things before moving on. First, was any question left blank, which counts the same as a wrong answer but is easier to fix next time? Second, was the mistake a concept error or a careless slip, such as misreading the question? Third, does the syllabus round the percent before assigning the letter, or use the exact percent? On this site, the letter comes from the percent rounded to the nearest whole percent, and the article explains that rule so the student can compare it with their own school policy.

Parents can help by asking for the breakdown, not just the total. Knowing which questions were missed, and whether the quiz was weighted, turns a single number into a plan. A score of 25 out of 28 at 89.3% is passing on the standard scale used here, since failing starts below 60%, but a program that requires a C or better for a course to count toward a major may set a higher bar, so the syllabus is still the final word.

Does a 25 out of 28 grade count as passing for a major or program?

Yes on the standard scale used here, since failing starts below 60%, but some programs require a C or better for a course to count toward a major. A B+ at 89.3% meets a C-or-better bar only if the letter is C or higher; check the program handbook, because a C- may not count where a C does.

How does a 25 out of 28 grade affect GPA if the quiz is weighted?

A single score does not set a GPA by itself. Multiply its GPA value (3.3) by the quiz weight, do the same for every other graded item, add the quality points, and divide by the total weight. The worked course-average example above shows this with a 20% quiz weight: the same 89.3% score has a different effect on the course average depending on how much the quiz counts.

What score would turn a 25 out of 28 grade into the next letter grade?

26 out of 28 at 92.9%, a A at 4.0 GPA points, is the next higher letter that is actually reachable on a 28-point test. That is one more correct answer than 25 out of 28, worth about 3.6 percent.

By Sachin Yadav, Founder, EasyGradeCalculators.org and Grading Tools Researcher, with 4 years researching grading.