645 out of 744 = 86.69%
If you scored 645 points out of a possible 744 points, your percentage grade is 86.69%, which is a B letter grade with a GPA of 3.0.
Standard US Scale
4.0 Scale
Grade Description
Good - Shows solid understanding with minor areas for improvement.
Improvement Tips
- Review your minor mistakes and understand why they occurred
- Participate more actively in class discussions
- Create study groups to reinforce learning
- Practice with more challenging problems
Detailed Grade Table
| Grade | Correct | Incorrect | Percent |
|---|---|---|---|
| A+ | 722 to 744 | 0 to 22 | 97.00 to 100.00 |
| A | 692 to 721 | 23 to 52 | 93.00 to 96.99 |
| A- | 670 to 691 | 53 to 74 | 90.00 to 92.99 |
| B+ | 648 to 669 | 75 to 96 | 87.00 to 89.99 |
| B | 618 to 647 | 97 to 126 | 83.00 to 86.99 |
| B- | 596 to 617 | 127 to 148 | 80.00 to 82.99 |
| C+ | 573 to 595 | 149 to 171 | 77.00 to 79.99 |
| C | 544 to 572 | 172 to 200 | 73.00 to 76.99 |
| C- | 521 to 543 | 201 to 223 | 70.00 to 72.99 |
| D+ | 499 to 520 | 224 to 245 | 67.00 to 69.99 |
| D | 469 to 498 | 246 to 275 | 63.00 to 66.99 |
| D- | 447 to 468 | 276 to 297 | 60.00 to 62.99 |
| F | 0 to 446 | 298 to 744 | 0.00 to 59.99 |
Your grade of 86.69% (B) is highlighted in the table above. The "Correct" and "Incorrect" columns show the equivalent number of questions for your total of 744 points.
To calculate 645 out of 744 as a percentage, you divide 645 by 744 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 (645) by the total points possible (744):
645 ÷ 744 = 0.8669 - Multiply the result by 100 to get the percentage:
0.8669 × 100 = 86.69% - Convert the percentage to a letter grade using the standard scale:
86.69% = B
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A score of 645 out of 744 (86.69%) has different implications depending on the educational context:
| Context | Interpretation |
|---|---|
| Homework Assignment | Strong understanding of the material |
| Quiz or Test | Excellent preparation and knowledge retention |
| Final Exam | Mastery of course material |
| Course Grade | Strong performance throughout the course |
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