Grade Calculator
Calculate your final grade or find out what score you need on your final exam. Three modes: calculate a grade percentage, find required exam score, or convert percentage to letter grade.
How to Use
1
Select the type of calculation.
2
Fill in the required fields for your chosen mode.
3
Click Calculate.
4
Review your grade percentage, letter grade, and GPA equivalent.
Formula
Grade %
Percentage = (Points Earned / Total Points) x 100
Needed Score
Final Score = (Desired - Current x (1-Weight)) / Weight
Example Calculations
Grade percentage: 85 out of 100 points = 85% = B
Needed score: Current grade 85%, final worth 30%, want 90% overall:
Final score needed = (90 - 85 x 0.70) / 0.30 = 101.7% (need extra credit!)
Letter grade: 92% = A- (GPA 3.7)
Needed score: Current grade 85%, final worth 30%, want 90% overall:
Final score needed = (90 - 85 x 0.70) / 0.30 = 101.7% (need extra credit!)
Letter grade: 92% = A- (GPA 3.7)
Why It Matters
Students need to know where they stand academically. This calculator helps you plan: calculate your current grade, find out what you need on the final, or convert any percentage to a letter grade and GPA.
Who Uses This Calculator?
- • People handling everyday planning questions around dates, tips, discounts, fuel costs, rent, hours, and similar decisions.
- • Households, students, workers, and shoppers who need a fast estimate for a practical daily calculation.
- • Anyone who wants a simple browser-based calculator without an account or spreadsheet setup.
Frequently Asked Questions
How do I calculate my grade percentage?
Divide the points you earned by the total points possible, then multiply by 100. For example, 425 out of 500 points = (425/500) x 100 = 85%.
How do I find out what I need on the final?
Enter your current grade, desired overall grade, and the final exam weight. The calculator tells you the exact score needed on the final exam.
What is the standard grading scale?
The most common US scale: A (93-100), A- (90-92), B+ (87-89), B (83-86), B- (80-82), C+ (77-79), C (73-76), C- (70-72), D+ (67-69), D (63-66), D- (60-62), F (below 60).
How does GPA work?
GPA is on a 4.0 scale: A/A+ = 4.0, A- = 3.7, B+ = 3.3, B = 3.0, B- = 2.7, C+ = 2.3, C = 2.0, C- = 1.7, D+ = 1.3, D = 1.0, F = 0.0.
All Calculators
This calculator provides estimates for informational purposes only. Verify results with a qualified professional for important decisions.