How this grade converter works
Type a percentage and the grade converter instantly shows the matching letter grade and 4.0 GPA — no submit button. You can also start from the other direction: pick a letter grade to see its percentage range, or type a GPA to find the closest letter. Results update live as you type.
Because percentage cutoffs are not standardized, the converter supports three common grading scales. The default is the standard 10-point scale (A 90–100, B 80–89, C 70–79, D 60–69, F below 60), which matches what most U.S. schools use. Switch to the plus/minus scale or the stricter 7-point scale and the same percentage is re-converted immediately.
People ask this in many ways — grade converter, letter grade scale, what grade is a 70, percentage to letter grade, letter grade to GPA. They are all the same task: map a percentage onto a letter-grade band, then map that letter onto grade points.
Percentage to letter grade and GPA chart (standard 10-point scale)
This is the most common U.S. letter grade scale: each letter covers a ten-point band, and anything below 60 is failing.
| Letter grade | Percentage | GPA (4.0 scale) |
|---|---|---|
| A | 90–100% | 4.0 |
| B | 80–89% | 3.0 |
| C | 70–79% | 2.0 |
| D | 60–69% | 1.0 |
| F | 0–59% | 0.0 |
Percentage to letter grade on the plus/minus scale
Many high schools and colleges split each letter into plus and minus bands. Exact cutoffs vary slightly by school; this converter uses the most common version.
| Letter grade | Percentage | GPA (4.0 scale) |
|---|---|---|
| A+ | 97–100% | 4.0 |
| A | 93–96% | 4.0 |
| A− | 90–92% | 3.7 |
| B+ | 87–89% | 3.3 |
| B | 83–86% | 3.0 |
| B− | 80–82% | 2.7 |
| C+ | 77–79% | 2.3 |
| C | 73–76% | 2.0 |
| C− | 70–72% | 1.7 |
| D+ | 67–69% | 1.3 |
| D | 63–66% | 1.0 |
| D− | 60–62% | 0.7 |
| F | 0–59% | 0.0 |
Percentage to letter grade on the 7-point scale
The 7-point scale is a stricter system historically used by some U.S. districts: each letter band spans about seven points and anything below 70 fails.
| Letter grade | Percentage | GPA (4.0 scale) |
|---|---|---|
| A | 93–100% | 4.0 |
| B | 85–92% | 3.0 |
| C | 77–84% | 2.0 |
| D | 70–76% | 1.0 |
| F | 0–69% | 0.0 |
What grade is a 70?
It depends on the scale. On the standard 10-point scale a 70 is a C — the bottom of the 70–79 C range. On a plus/minus scale a 70 is usually a C−, worth 1.7 grade points instead of 2.0. On a 7-point scale a 70 falls in the D range (70–76). That is why this page asks which scale your school uses before giving an answer.
The same logic answers nearby questions. A 75 is a C on the standard scale, a C on plus/minus (73–76), and a D on the 7-point scale. An 85 is a B on all three: it sits in 80–89 on the standard scale, 83–86 on plus/minus, and 85–92 on the 7-point scale.
Is a D passing? Passing grades explained
On the standard scale a D covers 60–69% and is the minimum passing grade at most U.S. schools, while an F (below 60) is failing. But passing is a school policy, not a math fact: many colleges require at least a C in courses for your major, some districts set the passing line at 65%, and schools on a 7-point scale fail anything below 70.
If you are close to a cutoff, treat this converter as a planning tool and confirm the official policy in your syllabus or student handbook. Our Final Grade Calculator can then tell you what you need on the final exam to stay above the line.
Percentage, letter grade, and GPA are three views of one grade
A percentage is the raw score, a letter grade is a band of percentages, and GPA points are the number assigned to each letter for averaging across courses. Converting percentage → letter → GPA loses precision at each step: on the standard scale both a 99% and a 90% are an A worth 4.0. That is normal — GPA is designed for comparing across courses, not for recording exact scores.
When you convert a letter grade back to a percentage, the honest answer is a range, so this converter shows the full band and uses its midpoint to keep the three values in sync. To average many courses into one number, use the GPA Calculator.
Frequently asked questions
What grade is a 70?
On the standard 10-point scale, 70% is a C (the C range is 70–79). On a plus/minus scale, 70% is usually a C− (70–72). On a stricter 7-point scale, 70% falls in the D range (70–76).
Is a D a passing grade?
At most U.S. schools a D (60–69% on the standard scale) is the minimum passing grade. Many colleges still require a C or higher for major courses, prerequisites, and transfer credit, so check your school's policy.
Is a 60 passing?
On the standard 10-point scale, 60% is a D, which counts as passing at most schools. Some schools set the passing line at 65% or 70%, so a 60 is not a pass everywhere.
What grade is an 80?
On the standard 10-point scale, 80% is a B (the B range is 80–89). On a plus/minus scale, 80% is a B− (80–82).
What letter grade is a 93?
93% is an A on the standard 10-point scale, an A on the plus/minus scale (93–96), and an A on the 7-point scale, where the A range starts at 93.
How do you convert a letter grade to GPA?
Use the standard 4.0 scale: A/A+ = 4.0, A− = 3.7, B+ = 3.3, B = 3.0, B− = 2.7, C+ = 2.3, C = 2.0, C− = 1.7, D+ = 1.3, D = 1.0, D− = 0.7, F = 0.0.
Why do schools use different grading scales?
There is no single national grading standard. Each district or college chooses its own scale, so the same percentage can be a C at one school and a D at another. Switch the scale on this converter to match your school.
Is this grade converter free?
Yes. It is free, requires no account, and runs in your browser.