What Do I Need for a B With a 30% Final?
B (80%) target with one of the most common final weights. This page is pre-set for a 30% final worth and a B (80%) target. Enter your current grade to get your exact required score.
%
%
%
Required Final Exam Score
—
Required Score at a Glance — 30% Final, B Target
| Your Current Grade | Score Needed | Feasibility |
|---|---|---|
| 50% | >100% | Very hard |
| 60% | >100% | Very hard |
| 65% | >100% | Very hard |
| 70% | >100% | Very hard |
| 75% | 91.7% | Hard |
| 80% | 80.0% | Achievable |
| 85% | 68.3% | Comfortable |
| 90% | 56.7% | Comfortable |
Formula (30% final): Required = (80 − Current × 70%) ÷ 30%
At current 75%: (80 − 75 × 0.70) ÷ 0.30 = 91.7%
At current 75%: (80 − 75 × 0.70) ÷ 0.30 = 91.7%
What 30% Finals Mean for Your Grade
B (80%) target with one of the most common final weights. A 20-point improvement on this final moves your course grade by 6.0 points.
Frequently Asked Questions
Depends on your current grade. Use the table above. At 75% current, you need 91.7%.
With a 30% final, every 10 points on the exam moves your course grade by 3.0 points.
The B target is out of reach this semester. Lower to C and recalculate, or speak to your professor about extra credit.
Your LMS (Canvas, Blackboard, Moodle) shows your running overall grade — that's the number to enter.
Use the main final grade calculator at campuscalc.app/final-grade-calculator and enter your actual weight.
Related Grade Target Pages
Need an A Need a B Need a C Need to Pass Need a B+ Need an A− Can I Still Get an A? Can I Still Pass?Use the Full Final Grade Calculator
Adjust any weight, current grade, or target — instant results.