145 out of 558 = 25.99%
If you scored 145 points out of a possible 558 points, your percentage grade is 25.99%, which is a F letter grade with a GPA of 0.0.
Standard US Scale
4.0 Scale
Grade Description
Unsatisfactory - Does not meet minimum requirements and needs substantial improvement.
Improvement Tips
- Schedule a meeting with your teacher immediately
- Consider intensive tutoring or academic support services
- Rebuild your foundation with basic concepts first
- Develop better study habits and time management skills
- Ask for extra credit opportunities if available
Detailed Grade Table
| Grade | Correct | Incorrect | Percent |
|---|---|---|---|
| A+ | 542 to 558 | 0 to 16 | 97.00 to 100.00 |
| A | 519 to 541 | 17 to 39 | 93.00 to 96.99 |
| A- | 503 to 518 | 40 to 55 | 90.00 to 92.99 |
| B+ | 486 to 502 | 56 to 72 | 87.00 to 89.99 |
| B | 464 to 485 | 73 to 94 | 83.00 to 86.99 |
| B- | 447 to 463 | 95 to 111 | 80.00 to 82.99 |
| C+ | 430 to 446 | 112 to 128 | 77.00 to 79.99 |
| C | 408 to 429 | 129 to 150 | 73.00 to 76.99 |
| C- | 391 to 407 | 151 to 167 | 70.00 to 72.99 |
| D+ | 374 to 390 | 168 to 184 | 67.00 to 69.99 |
| D | 352 to 373 | 185 to 206 | 63.00 to 66.99 |
| D- | 335 to 351 | 207 to 223 | 60.00 to 62.99 |
| F | 0 to 334 | 224 to 558 | 0.00 to 59.99 |
Your grade of 25.99% (F) is highlighted in the table above. The "Correct" and "Incorrect" columns show the equivalent number of questions for your total of 558 points.
To calculate 145 out of 558 as a percentage, you divide 145 by 558 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 (145) by the total points possible (558):
145 ÷ 558 = 0.2599 - Multiply the result by 100 to get the percentage:
0.2599 × 100 = 25.99% - Convert the percentage to a letter grade using the standard scale:
25.99% = F
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A score of 145 out of 558 (25.99%) has different implications depending on the educational context:
| Context | Interpretation |
|---|---|
| Homework Assignment | Insufficient understanding, requires review |
| Quiz or Test | Inadequate preparation, requires comprehensive review |
| Final Exam | Insufficient understanding of course material |
| Course Grade | Below acceptable performance standards |
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