How to use it
- Enter each of the three grade scores.
- Check that all scores use the same grading scale.
- Calculate to see the average rounded to two decimal places.
Average Grade Calculator
Calculate the average grade from three scores.
About the Average Grade Calculator
The average grade calculator combines three scores into one arithmetic mean, making it easy to summarize equally weighted assignments or exams.
Average formula
Average = (Grade 1 + Grade 2 + Grade 3) / 3. For scores of 85, 90 and 88, the average is 87.67.
When it is appropriate
Use this result when every score has equal importance. If assignments carry different weights, calculate a weighted average instead.