Grade Calculator by Grade Calculator – What Do I Need on the Final? Grade Calculator Find out what you need on the final to get your target grade! Target Letter Grade A (90–100%) A- (87–89%) B+ (83–86%) B (80–82%) B- (77–79%) C+ (73–76%) C (70–72%) C- (67–69%) D+ (63–66%) D (60–62%) F (Below 60%) + Add Category Clear All Calculate Grade