Average Grade Calculator
Calculate the average of your grades with detailed statistics including median, range, and standard deviation.
Enter Grades
Enter each grade score to calculate the average and view statistics.
Average Grade
85.8%
Letter Grade: B
πAverage
85.8%
πLetter Grade
B
πHighest
92%
πLowest
78%
Statistics:
Mean (Average):85.75%
Median:86.50%
Range:14.00
Standard Deviation:5.12
Total Items:4
Sum of Grades:343
Grade Summary
Your 4 grades average to 85.8% (B). Scores range from 78% to 92%.
Understanding Grade Statistics
Mean vs Median
Mean is the sum divided by count. Median is the middle value. Large differences may indicate outliers.
Standard Deviation
Measures how spread out your grades are. Lower values mean more consistent performance.
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
Γ°ΕΈβΕ‘
Formula Source: Standard Mathematical References
by Various
Γ°ΕΈββLast reviewed: May 2026
Γ’ΕβFormula checks are based on standard references and internal QA review.