Numeric GPA Reference — 4.0 Scale

1.0 GPA — D grade, academic
danger zone.

A 1.0 GPA sits at the D grade boundary on the 4.0 scale. It is technically passing but places a student at risk for academic probation and SAP (Satisfactory Academic Progress) review. Enter your GPA below to see your letter grade and where you stand.

4.0 / 4.33 scale
Letter grade: D
63–67% typical range
GPA Lookup — 4.0 Scale
US Scale Near-minimum
Grade D
Percentage 63–67%
Grade Equivalent —

What it means

1.0 GPA on the
US 4.0 Scale

A 1.0 GPA on the 4.0 scale corresponds to D grade performance — exactly equivalent to D quality points per credit hour. D grade boundary — technically passing, but academic probation risk at most institutions.

GPA is calculated as: Quality Points (grade pts × credits) divided by total credits. On the 4.0 scale, D earns 1.0 quality points per credit. A 3-credit course at D adds 3.0 quality points to your total.

Scale context

1.0 GPA in context

GPALetter GradeCommon Threshold
4.0A / A+Maximum; summa cum laude
3.7A−Magna cum laude (many schools)
3.5B+/A−Cum laude; Dean's List; scholarships
3.0BGraduate school floor; scholarship renewal
2.0CAcademic standing floor; probation line
1.0DThis page

Thresholds vary by institution. Always check your school's official academic policies.

Common questions

1.0 GPA — FAQ

What letter grade is a 1.0 GPA?

A 1.0 GPA corresponds to a D letter grade on the 4.0 scale. D earns 1.0 quality points per credit hour — it is the lowest passing grade at most US institutions.

Is a 1.0 GPA good?

No. A 1.0 GPA is very low — it typically triggers academic probation at most institutions, which require at least a 2.0 GPA to remain in good standing.

What happens to financial aid with a 1.0 GPA?

A 1.0 GPA almost certainly fails SAP (Satisfactory Academic Progress) GPA requirements, which generally require a minimum cumulative GPA (commonly 2.0) to maintain federal aid eligibility. Contact your financial aid office — individual institution thresholds vary.

What percentage is a 1.0 GPA?

A 1.0 GPA corresponds to D grade performance, typically 63–67% on a 100-point scale. Exact percentage ranges vary by institution.

How do I raise a 1.0 GPA?

To raise a 1.0 GPA, you need high grades in future courses. Because GPA is a weighted average, recovering from a very low GPA takes many credits of strong performance. Use the lookup tool above to see how different GPA values compare.

Can you graduate with a 1.0 GPA?

At most US universities, no. Graduation typically requires a minimum cumulative GPA of 2.0. Some programs require higher minimums. A 1.0 GPA would need to be raised significantly before graduation becomes possible.

Sources

Data and
references

US GPA methodology documented by NCES IPEDS. Institutional GPA data via College Scorecard (ED.gov). Grade-point values per UC Davis Registrar and MIT Registrar.

Related reading: What GPA Puts You on Academic Probation? · How to Raise Your GPA · Can You Get Into College with a Low GPA?