Test Score Calculator – Points to Percentage
Convert raw test scores to percentages and letter grades.
About This Calculator
Convert raw test scores to percentages and letter grades. Use the calculator above for instant results.
Worked Examples
- 47/60 = 78.3% → C+
Answer: 78.3% / C+
- 90% → A
Answer: 90% / A
- 68.75% → D (just below C)
Answer: 68.75% / D
Who Uses This Calculator?
Convert any raw score to percentage.
Quick grade calculation.
Understand child's test performance.
Calculate practice test scores.
Common Mistakes to Avoid
❌ Curved grades
Many tests curve — add curve points before calculating.
❌ Weighted tests
If tests have different weights, use a weighted grade calculator for overall course grade.
Frequently Asked Questions
Letter grade scale?
A: 90-100%, B: 80-89%, C: 70-79%, D: 60-69%, F: below 60%. Some schools use different thresholds.
Plus/minus grades?
A: 93-100%, A-: 90-92%, B+: 87-89%, B: 83-86%, B-: 80-82%, C+: 77-79%, etc.
GPA from one test?
One test rarely determines your course grade. Use the grade calculator with weights to see course grade impact.