GPA Conversion — US Standard Scale

GPA to Letter Grade — enter your GPA,
see the letter.

Enter your 4.0-scale GPA and instantly see the corresponding US letter grade, percentage range, and academic standing. Uses CollegeBoard standard cutoffs — the same table used by US high schools and universities.

CollegeBoard verified cutoffs
Letter grade + percentage range
Academic standing shown
GPA → Letter
Scale 4.0 (US)
Output Letter + %
Source CollegeBoard
Letter Grade —
Percentage:  ·  Standing:

CollegeBoard standard 4.0 scale. Intermediate values map to nearest lower bracket.

How to use

From GPA to letter grade
in four steps

Find your 4.0-scale GPA

Locate your cumulative or semester GPA from your transcript, student portal, or use our College GPA Calculator to compute it from your course grades. Make sure it's on the standard 4.0 scale — if yours is above 4.0, convert it first with the GPA to 4.0 Scale Converter.

Enter your GPA in the calculator

Type any value between 0.00 and 4.00. Decimal values like 3.47 or 2.83 are handled correctly — intermediate values map to the letter grade of the highest bracket they don't exceed. A 3.47 maps to B+ (bracket starts at 3.3).

See your letter grade, percentage range, and standing

The result shows the letter grade (e.g., A−), the corresponding percentage range (90–92%), and your academic standing (Strong / Magna Cum Laude territory). All three pieces together give the full picture.

Use the letter grade for applications and reporting

Some applications ask for a letter grade rather than a GPA number. Use the result here to fill that field accurately. For the reverse direction — starting with a letter grade and finding its GPA value — see our Letter Grade to GPA Converter.

Complete reference

All 4.0-scale GPAs
and their letter grades

The standard US 4.0 scale has 13 distinct letter grades. Each GPA value maps to a letter grade, percentage range, and academic standing:

4.0 GPALetter GradePercentageStanding
4.0A / A+93–100%Exceptional / Summa Cum Laude
3.7A−90–92%Strong / Magna Cum Laude territory
3.3B+87–89%Good / Cum Laude territory
3.0B83–86%Above average / Good standing
2.7B−80–82%Satisfactory
2.3C+77–79%Average
2.0C73–76%Minimum good standing
1.7C−70–72%Below average
1.3D+67–69%Poor
1.0D63–66%Minimum pass
0.7D−60–62%Marginal pass
0.0F0–59%Failing / No credit

Source: CollegeBoard AP Program, which defines the standard US letter-grade-to-GPA mapping used by the majority of US high schools and universities.

Important nuances

When GPA to letter grade
gets complex

The standard table works for the majority of US colleges, but there are situations where GPA → letter grade conversion isn't straightforward:

  • A+ may not exist: Some universities don't award A+ grades. In those systems, A is the highest letter grade and = 4.0. Others award A+ but still assign it 4.0 (not 4.33) on the standard scale.
  • Pass/Fail courses: Grades of P (Pass) and F (Fail) in pass/fail courses don't contribute to GPA at most schools. A "Pass" is not equivalent to any specific GPA value.
  • W (Withdrawal) and I (Incomplete): These are administrative grades and don't calculate into GPA. Excessive withdrawals can affect academic standing without showing up as GPA drops.
  • Repeated courses: Most schools use grade forgiveness for repeated courses — the old grade is replaced by the new one in GPA calculation, though both may appear on the transcript.
  • Transfer credits: Transfer grades from other institutions may convert to a pass/no-pass at the receiving institution and not affect GPA, or may be recalculated using the receiving school's scale.
  • AP / IB / dual enrollment: These courses follow the same letter-grade-to-GPA table but may earn weighted GPA bonuses at the high school level. See our Weighted GPA Calculator for that calculation.

Achievability scenarios

GPA → letter grade:
three real situations

These scenarios illustrate how knowing the exact letter grade behind a GPA affects decisions — from scholarship applications to understanding how plus/minus grading compounds over a semester.

✓ Clear

Yuna's scholarship form needs a letter grade

Yuna's study-abroad scholarship application asks for "letter grade equivalent" for her cumulative GPA. Her transcript shows a 3.7 GPA. She enters it in the converter.

Result: A− (90–92%, Strong). She fills in "A−" on the form confidently, with the CollegeBoard source to back it up. The scholarship's minimum is B+ — she clears it by a full grade step.

GPA 3.7 → A− → 90–92%
Scholarship minimum: B+ (3.3) ✓
Letter grade for form: A−
⚠ Watch out

Marcus thought B and B− were essentially the same

Marcus has a 2.7 GPA and thinks he's earning "Bs." The converter shows: 2.7 = B− (80–82%, Satisfactory) — not B (83–86%).

The 0.3-point gap between B (3.0) and B− (2.7) is significant on applications that require a B minimum. If his target grad program requires 3.0, his 2.7 GPA doesn't qualify — a detail the letter grade makes unmistakably clear.

GPA 2.7 → B− → 80–82%
Program minimum: 3.0 (B)
Gap: 0.3 GPA points to qualify
✗ Risk

Lena's semester shows how plus/minus adds up

Lena is on the edge of a B average each semester. She earns mostly B− grades across her four courses. Her converter result: B− = 2.7 GPA. Had she earned B in those same courses, it would be 3.0 GPA.

Over two semesters of 4 courses each, the difference compounds: 2.7 vs 3.0 cumulative. The 3.0 threshold for dean's list, scholarship renewal, and grad school eligibility sits exactly at the boundary she keeps missing. A half-step improvement — B instead of B− — changes her trajectory entirely.

4 courses × B− = 2.7 semester GPA
4 courses × B = 3.0 semester GPA
Gap per semester: 0.3 GPA points
Cumulative after 2 semesters: still 0.3 below threshold

FAQ

GPA to letter grade
questions answered

What letter grade is a 3.7 GPA?

3.7 GPA = A- (A-minus) = 90–92%. A- sits one grade step below A (4.0) and one above B+ (3.3). It's one of the most common honor-roll and Magna Cum Laude cutoffs.

What letter grade is a 3.0 GPA?

3.0 GPA = B = 83–86%. A B (3.0) is the minimum GPA required by many scholarships, graduate school programs, and academic standing policies. Below 3.0 cumulative GPA in graduate school often triggers academic probation.

What letter grade is a 3.3 GPA?

3.3 GPA = B+ = 87–89%. B+ is one of the most misremembered GPA values — many students guess 3.5, but the actual value is 3.3. If you earn B+ in every course, your semester GPA is 3.3 — not 3.5.

What letter grade is a 2.0 GPA?

2.0 GPA = C = 73–76%. A 2.0 GPA is the minimum for good academic standing at most US universities and for federal financial aid eligibility (Satisfactory Academic Progress). Below 2.0 triggers academic probation at most institutions.

What letter grade is a 3.5 GPA?

3.5 GPA is an intermediate value between B+ (3.3) and A- (3.7). It maps to the B+ bracket (87–89%). For applications asking for a letter grade, enter B+. Some schools with merit honors use 3.5 as the Cum Laude cutoff — check your institution's specific policy.

Does plus/minus grading significantly affect cumulative GPA?

Yes — over a full course load, the 0.3-point difference between plus and minus versions of the same letter adds up. If you're borderline on a B+ vs B for your final grade, that 0.3 difference across 4 courses would shift your semester GPA by up to 0.3. For students near GPA thresholds (3.0, 3.5, etc.), this is significant.

What letter grade is a 1.0 GPA?

1.0 GPA = D = 63–66%. A D earns course credit and counts toward graduation credits at most schools, but it significantly drags down cumulative GPA. Some programs require C or better in required courses even if a D technically passes.

Why does A+ equal 4.0 and not 4.33?

On the standard 4.0 scale, the maximum is 4.0 — there's no room above it. A 4.33 scale is a different system used by some universities (like UC Davis) specifically to reward A+ performance. On those scales, A+ = 4.33 and A = 4.0. This calculator uses the standard 4.0 scale where A+ = A = 4.0.