Got a score like 17 out of 20? Turn it into a percentage and a letter grade in one step.
Percentage = (points earned ÷ points possible) × 100. So 17 out of 20 is 17 ÷ 20 = 0.85 → 85%, which is a B on the standard scale below. Extra credit can push a score over 100% — this calculator allows it.
93–100 A · 90–92 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 D− · below 60 F
Scales vary by school — some use 90/80/70/60 cut-offs with no plus/minus. Your syllabus is the final word.
85% — a B on the standard scale. Enter it above to check any other score.
How do I turn a percentage into a course grade?A single score isn't a course grade when categories are weighted. Use the weighted grade calculator — or the Canvas grade calculator if your class is on Canvas.
What percentage do I need to pass?At most US schools 60% (a D−) is the lowest passing grade, but many programs require a C (73%) or higher in major courses. Check your program's rules.