What is 24 out of 30 as a Grade?
24 out of 30 is 80.00%, which is a B- letter grade.
Scoring 24 out of 30 lands you exactly at the 80% mark — the precise boundary between B- and C+ territory. Since C+ is not achievable on a 30-question test with whole number scoring, 24/30 sits right at the entry point of the B range. One more correct answer pushes you into a full B at 83.33%.
| Score | Percentage | Letter Grade |
|---|---|---|
| 24/30 | 80.00% | B- |
How Is 24/30 Calculated?
Divide your score by the total number of questions, then multiply by 100:
24 ÷ 30 × 100 = 80.00%
What Letter Grade Is 24 out of 30?
On the standard U.S. grading scale, 80.00% earns a B-. The full scale is shown below with your score highlighted.
| Percentage Range | Letter Grade |
|---|---|
| 97% – 100% | A+ |
| 93% – 96.99% | A |
| 90% – 92.99% | A- |
| 87% – 89.99% | B+ |
| 83% – 86.99% | B |
| 80% – 82.99% | B- ← Your Score (80.00%) |
| 77% – 79.99% | C+ |
| 73% – 76.99% | C |
| 70% – 72.99% | C- |
| 60% – 69.99% | D |
| 0% – 59.99% | F |
Your score of 80.00% is right at the floor of the B- range. Note that C+ (77%–79.99%) is not achievable on a 30-question test with whole number scoring — no whole number score produces a percentage in that range. The next achievable grade above your current score is a B at 25/30 (83.33%), just one correct answer away.
Complete 30-Question Test Grading Scale
Every possible whole number score on a 30-question test is listed below.
| Score | Percentage | Letter Grade |
|---|---|---|
| 30/30 | 100.00% | A+ |
| 29/30 | 96.67% | A |
| 28/30 | 93.33% | A |
| 27/30 | 90.00% | A- |
| 26/30 | 86.67% | B |
| 25/30 | 83.33% | B |
| 24/30 | 80.00% | B- |
| 23/30 | 76.67% | C |
| 22/30 | 73.33% | C |
| 21/30 | 70.00% | C- |
| 20/30 | 66.67% | D |
| 19/30 | 63.33% | D |
| 18/30 | 60.00% | D |
| 17/30 | 56.67% | F |
| 16/30 | 53.33% | F |
| 15/30 | 50.00% | F |
| 14/30 | 46.67% | F |
| 13/30 | 43.33% | F |
| 12/30 | 40.00% | F |
| 11/30 | 36.67% | F |
| 10/30 | 33.33% | F |
| 9/30 | 30.00% | F |
| 8/30 | 26.67% | F |
| 7/30 | 23.33% | F |
| 6/30 | 20.00% | F |
| 5/30 | 16.67% | F |
| 4/30 | 13.33% | F |
| 3/30 | 10.00% | F |
| 2/30 | 6.67% | F |
| 1/30 | 3.33% | F |
Note: B+ (87%–89.99%) and C+ (77%–79.99%) are not achievable on a 30-question test with whole number scoring. No whole number score produces a percentage that falls within either of those ranges.
What Does 80.00% Mean in Real Academic Terms?
An 80.00% is a solid academic result that sits at the entry point of the B range. In most high school and college courses, a B- signals that you have a working grasp of the material with some room to strengthen specific areas. For GPA purposes, a B- typically contributes 2.7 grade points on a standard 4.0 scale. If your course uses 30-question tests regularly, scoring 24 consistently keeps you above the C range and in good standing — though pushing to 25 or above would give your GPA a meaningful boost.
Is 24 out of 30 a Passing Grade?
Yes. At 80.00%, a score of 24/30 passes under every standard threshold used in U.S. schools.
| Passing Threshold | Required Score | 24/30 Passes? |
|---|---|---|
| 60% | 18/30 | ✅ Yes |
| 65% | 20/30 | ✅ Yes |
| 70% | 21/30 | ✅ Yes |
| 75% | 23/30 | ✅ Yes |
| 80% | 24/30 | ✅ Yes |
How Many Questions Can You Get Wrong?
Use this table to see the minimum correct answers needed for each target grade on a 30-question test.
| Target Grade | Minimum % | Minimum Correct | Maximum Wrong |
|---|---|---|---|
| A (93%) | 93% | 28/30 | 2 |
| B (83%) | 83% | 25/30 | 5 |
| C (73%) | 73% | 22/30 | 8 |
| D (60%) | 60% | 18/30 | 12 |
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Frequently Asked Questions
What is 24 out of 30 as a grade? 24 out of 30 is 80.00%, which is a B- letter grade on the standard U.S. grading scale. It lands exactly at the entry point of the B- range.
Is 80% a good grade? Yes, 80% is a good grade. A B- shows a solid working understanding of the material, passes every common threshold comfortably, and contributes 2.7 grade points toward your GPA on a standard 4.0 scale.
Is 24 out of 30 a passing grade? Yes. At 80.00%, a score of 24/30 passes under every common threshold — including 60%, 65%, 70%, 75%, and 80%. It meets even the strictest standard passing requirement exactly.
How close is 24/30 to the next letter grade? Just one correct answer separates 24/30 (B-) from a full B. Scoring 25/30 produces 83.33%, which earns a B on the standard grading scale.
How many questions can you miss on a 30-question test and still get a B-? To earn at least a B- (80%) on a 30-question test, you need a minimum of 24 correct answers, meaning you can miss at most 6 questions.
What letter grade is 80.00%? An 80.00% is a B- letter grade. On the standard U.S. grading scale, any score from 80.00% to 82.99% earns a B-.