664 out of 804 = 82.59%
If you scored 664 points out of a possible 804 points, your percentage grade is 82.59%, which is a B- letter grade with a GPA of 2.7.
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+ | 780 to 804 | 0 to 24 | 97.00 to 100.00 |
| A | 748 to 779 | 25 to 56 | 93.00 to 96.99 |
| A- | 724 to 747 | 57 to 80 | 90.00 to 92.99 |
| B+ | 700 to 723 | 81 to 104 | 87.00 to 89.99 |
| B | 668 to 699 | 105 to 136 | 83.00 to 86.99 |
| B- | 644 to 667 | 137 to 160 | 80.00 to 82.99 |
| C+ | 620 to 643 | 161 to 184 | 77.00 to 79.99 |
| C | 587 to 618 | 186 to 217 | 73.00 to 76.99 |
| C- | 563 to 586 | 218 to 241 | 70.00 to 72.99 |
| D+ | 539 to 562 | 242 to 265 | 67.00 to 69.99 |
| D | 507 to 538 | 266 to 297 | 63.00 to 66.99 |
| D- | 483 to 506 | 298 to 321 | 60.00 to 62.99 |
| F | 0 to 482 | 322 to 804 | 0.00 to 59.99 |
Your grade of 82.59% (B-) is highlighted in the table above. The "Correct" and "Incorrect" columns show the equivalent number of questions for your total of 804 points.
To calculate 664 out of 804 as a percentage, you divide 664 by 804 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 (664) by the total points possible (804):
664 ÷ 804 = 0.8259 - Multiply the result by 100 to get the percentage:
0.8259 × 100 = 82.59% - Convert the percentage to a letter grade using the standard scale:
82.59% = B-
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A score of 664 out of 804 (82.59%) 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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