100 out of 138 = 72.46%
If you scored 100 points out of a possible 138 points, your percentage grade is 72.46%, which is a C- letter grade with a GPA of 1.7.
Standard US Scale
4.0 Scale
Grade Description
Satisfactory - Meets basic requirements with some gaps in understanding.
Improvement Tips
- Identify and focus on your weaker areas
- Increase study time and create a regular schedule
- Seek help from teachers or tutors for difficult concepts
- Use multiple learning resources (videos, books, practice tests)
Detailed Grade Table
| Grade | Correct | Incorrect | Percent |
|---|---|---|---|
| A+ | 134 to 138 | 0 to 4 | 97.00 to 100.00 |
| A | 129 to 133 | 5 to 9 | 93.00 to 96.99 |
| A- | 125 to 128 | 10 to 13 | 90.00 to 92.99 |
| B+ | 121 to 124 | 14 to 17 | 87.00 to 89.99 |
| B | 115 to 120 | 18 to 23 | 83.00 to 86.99 |
| B- | 111 to 114 | 24 to 27 | 80.00 to 82.99 |
| C+ | 107 to 110 | 28 to 31 | 77.00 to 79.99 |
| C | 101 to 106 | 32 to 37 | 73.00 to 76.99 |
| C- | 97 to 100 | 38 to 41 | 70.00 to 72.99 |
| D+ | 93 to 96 | 42 to 45 | 67.00 to 69.99 |
| D | 87 to 92 | 46 to 51 | 63.00 to 66.99 |
| D- | 83 to 86 | 52 to 55 | 60.00 to 62.99 |
| F | 0 to 82 | 56 to 138 | 0.00 to 59.99 |
Your grade of 72.46% (C-) is highlighted in the table above. The "Correct" and "Incorrect" columns show the equivalent number of questions for your total of 138 points.
To calculate 100 out of 138 as a percentage, you divide 100 by 138 and then multiply by 100:
This calculation gives you your percentage score, which can then be converted to a letter grade based on your school or institution's grading scale.
Step-by-step explanation:
- Divide the points earned (100) by the total points possible (138):
100 ÷ 138 = 0.7246 - Multiply the result by 100 to get the percentage:
0.7246 × 100 = 72.46% - Convert the percentage to a letter grade using the standard scale:
72.46% = C-
Try Another Calculation
Here are some related grade calculations that might be helpful:
A score of 100 out of 138 (72.46%) has different implications depending on the educational context:
| Context | Interpretation |
|---|---|
| Homework Assignment | Adequate understanding with some gaps |
| Quiz or Test | Good preparation with some knowledge gaps |
| Final Exam | Solid understanding of core concepts |
| Course Grade | Satisfactory performance with room for improvement |
Need to calculate a different grade?
Open Grade Calculator