GPACalculator

GPA to Percentage Calculator

Convert a GPA on the 4.0 scale to a percentage, and back again.

Quick answer: Enter either a GPA (4.0 scale) or a percentage and the calculator converts to the other using the standard US percentage bands, with a reference table showing every band.

Convert a percentage into a letter grade and 4.0 GPA points — or look up what a letter grade is worth.

88% is a
B+
Unweighted GPA points
3.3
Typical band
87–89%
Selected letter B+
= 3.3 GPA points · 87–89%
Standard unweighted 4.0 scale
LetterGPAPercentageHonorsAP/IB
A+4.097–100%4.55.0
A4.093–96%4.55.0
A-3.790–92%4.24.7
B+3.387–89%3.84.3
B3.083–86%3.54.0
B-2.780–82%3.23.7
C+2.377–79%2.83.3
C2.073–76%2.53.0
C-1.770–72%2.22.7
D+1.367–69%1.82.3
D1.063–66%1.52.0
D-0.760–62%1.21.7
F0.00–59%0.51.0

Scale varies by school — always confirm with your registrar or syllabus.

Core facts
Price100% free, no sign-up
InputGPA (4.0 scale) or percentage
OutputThe converted value + band table
ProcessingRuns locally in your browser

What is GPA to Percentage Calculator?

The GPA to Percentage Calculator translates between the 4.0 GPA scale and a percentage grade. It is a lookup, not a universal formula, because schools define their own percentage bands — but the calculator uses the most common US convention (93%+ = 4.0, 90% = 3.7, 87% = 3.3 and so on), which is what most applications expect when they ask you to self-report a percentage.

Common Uses for GPA to Percentage Calculator

  • Convert your 4.0-scale GPA to a percentage for an application that asks for one
  • Turn a percentage grade into GPA points for a scholarship form
  • Sanity-check a converted grade you received from a credential service

Common GPAs as percentages, answered

A GPA converts back to a percentage band rather than a single number, because each letter covers a range of percentages. A 3.0 GPA is a B, which is 83–86%; a 2.0 GPA is a C, 73–76%; a 4.0 GPA is an A, 93% and above. The table reads every exact scale value off the same bands the calculator uses — A+ and A are both 4.0, which is why they appear twice.

GPALetter gradePercentage
4.0A+97–100%
4.0A93–96%
3.7A-90–92%
3.3B+87–89%
3.0B83–86%
2.7B-80–82%
2.3C+77–79%
2.0C73–76%
1.7C-70–72%
1.3D+67–69%
1.0D63–66%
0.7D-60–62%
0.0F0–59%

Percentage to GPA·GPA Converter

In-between GPAs: 3.4, 3.5, 3.66 and friends

Real GPAs rarely land exactly on a band value, and a 3.4 or a 3.66 has no single percentage answer. What it does tell you is the two bands the average sits between: a 3.4 is just above a B+ (87–89%) and short of an A- (90–92%), so it reads as roughly 88–90% on most transcripts. The rows below bracket each commonly searched in-between GPA — the percentage span is what those two bands cover.

GPAWhere it sitsPercentage span
3.9between A- (3.7) and A (4.0)90–96%
3.8between A- (3.7) and A (4.0)90–96%
3.66between B+ (3.3) and A- (3.7)87–92%
3.5between B+ (3.3) and A- (3.7)87–92%
3.4between B+ (3.3) and A- (3.7)87–92%
3.2between B (3.0) and B+ (3.3)83–89%
2.8between B- (2.7) and B (3.0)80–86%
2.5between C+ (2.3) and B- (2.7)77–82%
1.5between D+ (1.3) and C- (1.7)67–72%

Letter Grade Chart

Frequently Asked Questions

Is there an exact GPA-to-percentage formula?
No. Conversion depends on the percentage bands a school uses, and different schools set their A floor at 90, 92 or 93. The calculator applies the most common US bands, which is the convention most forms assume.
What percentage is a 3.4 GPA?
No single number — a 3.4 sits between a B+ (3.3, 87–89%) and an A- (3.7, 90–92%), nearer the B+ side. Reading it as roughly 88–90% is the honest range; treat any source that gives one exact figure as using a formula your school may not follow.
Why does my converted number differ from my school's?
Because your school may use different bands or a weighted scale. If the number matters for an application, use the institution's own conversion table when one is published.
Can I convert a percentage back to GPA?
Yes — the same tool works in both directions. Enter a percentage to see the GPA points it maps to.

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