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Grading scales

What letter grade is 66%?

66% is a D on the standard grading scale and an F on the stricter 7-point scale. On a 4.0 scale that is a 1.0 GPA.

Letter grade
Dstandard A–F
Plus and minus
D1.0 GPA
7-point scale
F0.0 GPA
GPA
1.0on a 4.0 scale
Passing
Yesat a 60% pass mark
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What 66% means

  • 66% means 66 out of every 100 points, or 66 correct answers on a 100-question test.
  • It is 6 points above the lowest D (60%) on the standard scale.
  • 4 more points (70%) would make it a C. With plus and minus grades, 67% is a D+, 1 points away.
  • It is a D. Most US schools count 60% or more as passing, but it is below average.

66% on three grading scales

ScaleCutoffsLetterGPA
Standard A–FA 90, B 80, C 70, D 60D1.0
Plus and minusA 93, A− 90, B+ 87, B 83, B− 80 …D1.0
7-pointA 93, B 85, C 77, D 70F0.0

Which scale applies depends on your school or teacher; the syllabus usually says. The grading scales guide has every range.

66% on common test lengths

The score that gives exactly 66%, or the two closest scores when no whole number of correct answers does.

QuestionsScorePercentage
106 out of 10 or 7 out of 1060% or 70%
2013 out of 20 or 14 out of 2065% or 70%
2516 out of 25 or 17 out of 2564% or 68%
3019 out of 30 or 20 out of 3063.33% or 66.67%
4026 out of 40 or 27 out of 4065% or 67.5%
5033 out of 5066% exactly
10066 out of 10066% exactly

Grade a whole test with a chart for 10, 20, 25 or 50 questions.

Questions about 66%

Is 66% a D or a D+?

66% is a D. With plus and minus grades it is a plain D (63–66%), and a D+ starts at 67%.

Is 66% a good grade?

It is a D. Most US schools count 60% or more as passing, but it is below average. On a stricter 7-point scale it would be an F.

What GPA is 66%?

1.0 on a 4.0 scale, as a D. Your school’s own grade points decide your GPA.

Is 66% passing?

Yes, at schools that pass 60% and above. Some courses and programs need 70%, and this would not pass there.