13 out of 355 = 3.66%

If you scored 13 points out of a possible 355 points, your percentage grade is 3.66%, which is a F letter grade with a GPA of 0.0.

Percentage
3.66%
Letter Grade
F

Standard US Scale

GPA
0.0

4.0 Scale

Grade Assessment
Understanding what your grade means

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
Grade Scale
Your grade highlighted in the standard scale

Detailed Grade Table

GradeCorrectIncorrectPercent
A+345 to 3550 to 1097.00 to 100.00
A331 to 34411 to 2493.00 to 96.99
A-320 to 33025 to 3590.00 to 92.99
B+309 to 31936 to 4687.00 to 89.99
B295 to 30847 to 6083.00 to 86.99
B-284 to 29461 to 7180.00 to 82.99
C+274 to 28372 to 8177.00 to 79.99
C260 to 27382 to 9573.00 to 76.99
C-249 to 25996 to 10670.00 to 72.99
D+238 to 248107 to 11767.00 to 69.99
D224 to 237118 to 13163.00 to 66.99
D-213 to 223132 to 14260.00 to 62.99
F0 to 212143 to 3550.00 to 59.99

Your grade of 3.66% (F) is highlighted in the table above. The "Correct" and "Incorrect" columns show the equivalent number of questions for your total of 355 points.

How to calculate 13 out of 355 as a percentage

To calculate 13 out of 355 as a percentage, you divide 13 by 355 and then multiply by 100:

(13 ÷ 355) × 100 = 3.66%

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:

  1. Divide the points earned (13) by the total points possible (355):
    13 ÷ 355 = 0.0366
  2. Multiply the result by 100 to get the percentage:
    0.0366 × 100 = 3.66%
  3. Convert the percentage to a letter grade using the standard scale:
    3.66% = F

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Frequently Asked Questions

Educational Context
Understanding what this grade means in an educational setting

A score of 13 out of 355 (3.66%) has different implications depending on the educational context:

ContextInterpretation
Homework AssignmentInsufficient understanding, requires review
Quiz or TestInadequate preparation, requires comprehensive review
Final ExamInsufficient understanding of course material
Course GradeBelow acceptable performance standards
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Common Grade Conversions
90-100%A (4.0)
80-89%B (3.0)
70-79%C (2.0)
60-69%D (1.0)
0-59%F (0.0)