18 out of 30 = 60.00%

If you scored 18 points out of a possible 30 points, your percentage grade is 60.00%, which is a D- letter grade with a GPA of 0.7.

Percentage
60.00%
Letter Grade
D-

Standard US Scale

GPA
0.7

4.0 Scale

Grade Assessment
Understanding what your grade means

Grade Description

Needs Improvement - Barely meets minimum requirements with significant gaps.

Improvement Tips

  • Meet with your teacher to create an improvement plan
  • Establish a daily study routine with specific goals
  • Find a tutor or study partner to help with challenging topics
  • Break down complex topics into smaller, manageable parts
Grade Scale
Your grade highlighted in the standard scale

Detailed Grade Table

GradeCorrectIncorrectPercent
A+30 to 300 to 097.00 to 100.00
A28 to 291 to 293.00 to 96.99
A-27 to 273 to 390.00 to 92.99
B+27 to 264 to 387.00 to 89.99
B25 to 264 to 583.00 to 86.99
B-24 to 246 to 680.00 to 82.99
C+24 to 237 to 677.00 to 79.99
C22 to 237 to 873.00 to 76.99
C-21 to 219 to 970.00 to 72.99
D+21 to 2010 to 967.00 to 69.99
D19 to 2010 to 1163.00 to 66.99
D-18 to 1812 to 1260.00 to 62.99
F0 to 1713 to 300.00 to 59.99

Your grade of 60.00% (D-) is highlighted in the table above. The "Correct" and "Incorrect" columns show the equivalent number of questions for your total of 30 points.

How to calculate 18 out of 30 as a percentage

To calculate 18 out of 30 as a percentage, you divide 18 by 30 and then multiply by 100:

(18 ÷ 30) × 100 = 60.00%

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 (18) by the total points possible (30):
    18 ÷ 30 = 0.6000
  2. Multiply the result by 100 to get the percentage:
    0.6000 × 100 = 60.00%
  3. Convert the percentage to a letter grade using the standard scale:
    60.00% = D-

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Frequently Asked Questions

Educational Context
Understanding what this grade means in an educational setting

A score of 18 out of 30 (60.00%) has different implications depending on the educational context:

ContextInterpretation
Homework AssignmentBasic understanding with significant gaps
Quiz or TestMinimal preparation with significant gaps
Final ExamBasic understanding of core concepts
Course GradeMinimal acceptable performance
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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)