How to Calculate 10 out of 21 as a Percentage
Divide the numerator by the denominator, then multiply by 100. The result is the percentage score.
Step by step: 10 divided by 21 equals 0.4762 as a decimal. Multiply that by 100 and you get 47.6%. On the standard US plus/minus grading scale, 47.6% is an F grade, equal to 0.0 GPA on the 4.0 scale.
What 47.6% Means as an F Grade
Failing. A score below 60% is an F at most US institutions. The course typically does not count toward graduation credit and may need to be retaken.
At most US institutions, a score below 60% earns an F and is a failing grade. 10 out of 21 (47.6%) does not meet the standard 60% passing threshold. The course typically does not count toward graduation credit. Check your school's repeat policy: some allow grade replacement, while others average the original and retake scores.
Nearby Grade Percentages
The five fractions below have the closest percentage values to 10/21. Each links to its own grade breakdown.
| Fraction | Percentage | Letter grade | GPA (4.0) |
|---|---|---|---|
| 19 out of 40 | 47.5% | F | 0.0 |
| 11 out of 23 | 47.8% | F | 0.0 |
| 9 out of 19 | 47.4% | F | 0.0 |
| 12 out of 25 | 48.0% | F | 0.0 |
| 24 out of 50 | 48.0% | F | 0.0 |
Use the grade percentage reference for the complete letter-grade scale, percentage ranges, GPA values, and conversion formula. To convert any score directly, try the test grade calculator.