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Overview

In the NSPA Scholarship Program Data Standard, requirements based on GPA are coded in the Academic Eligibility entity. By definition, U.S. values are encoded on an unweighted 4.0 scale, including a decimal value.

This document provides recommended conversions both to and from the 4.0 Scale:

Table of Contents
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Conversions to 4.0 Scale (U.S.)

Letter Grade (A - F Scale) to 4.0 Scale (U.S.)

Letter Grade

4.0 Scale

A+

4.0

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

F

0.0

Percent Grade (1–100 Scale) to 4.0 Scale (U.S.)

Percent Grade

4.0 Scale

97–100

4.0

93–96

4.0

90–92

3.7

87–89

3.3

83-86

3.0

80-82

2.7

77–79

2.3

73–76

2.0

70–72

1.7

67–69

1.3

65–66

1.0

65 or Below

0.0

AP Grade (Weighted 5.0 Scale) to 4.0 Scale (U.S.)

The table aligns with a simplified, rounded [AP Grade]/5.0 * 4.0 conversion.

AP Grade

4.0 Scale

54.7–5.0

4.0

4.2–4.6

3.7

43.9–4.1

3.3

3.5–3.8

3.0

3.0–3.4

2.7

2.6–2.9

2.3

2.2–2.5

2.02

1.7–2.1

1.7

1.4–1.6

1.3

1.3

1.0

1.2 or Below

0.0

Honors Grade (Weighted 4.5 Scale) to 4.0 (U.S.)

The table aligns with a simplified, rounded [Honors Grade]/4.5 * 4.0 conversion.

Honors Grade

4.0 Scale

4.3–4.5

4.04

3.8–4.2

3.7

3.5–3.7

3.3

3.1–3.4

3.03

2.7–3.0

2.7

2.4–2.6

2.3

2.0–2.3

2.0

1.6–1.9

1.7

1.2–1.5

1.3

1.1

1.0

1.0 or Below

0.0

Conversions From 4.0 Scale (U.S.)

4.0 Scale (U.S.) to Letter Grade (A - F Scale)

4.0 Scale

Letter Grade

4.0

A+

3.8–3.9

A

3.4–3.7

A-

3.1–3.3

B+

2.8–3.0

B

2.4–2.7

B-

2.1–2.3

C+

1.8–2.0

C

1.4–1.7

C-

1.1–1.3

D+

0.8–1.0

D

0.0–0.7

F

4.0 Scale (U.S.) to Percent Grade (1–100 Scale)

This conversion produces symmetrical results with the Percent-to-4.0 conversion above.

4.0 Scale

Percent Grade

4.0

100

3.9

100

3.8

100

3.7

92

3.6

91

3.5

90

3.4

89

3.3

88

3.2

87

3.1

86

3.0

85

2.9

84

2.8

83

2.7

82

2.6

81

2.5

80

2.4

79

2.3

78

2.2

77

2.1

76

2.0

75

1.9

74

1.8

73

1.7

72

1.6

71

1.5

70

1.4

69

1.3

68

1.2

67

1.1

66

1.0 or below

0

4.0 Scale (U.S.) to AP Grade (Weighted 5.0 Scale)

The table aligns with a simplified, rounded [4.0 Grade]/4.0 * 5.0 conversion.

4.0 Scale

AP Grade

4.0

5.0

3.9

4.9

3.8

4.8

3.7

4.6

3.6

4.5

3.5

4.4

3.4

4.3

3.3

4.1

3.2

4.0

3.1

3.9

3.0

3.8

2.9

3.6

2.8

3.5

2.7

3.4

2.6

3.3

2.5

3.1

2.4

3.0

2.3

2.9

2.2

2.8

2.1

2.6

2.0

2.5

1.9

2.4

1.8

2.3

1.7

2.1

1.6

2.0

1.5

1.9

1.4

1.8

1.3

1.6

1.2

0.0

1.0

1.3

0.9 or below

1.1

4.0 Scale (U.S.) to Honors Grade (Weighted 4.5 Scale)

The table aligns with a simplified, rounded [4.0 Grade]/4.0 * 4.5 conversion.

4.0 Scale

Honors Grade

4.0

4.5

3.9

4.4

3.8

4.3

3.7

4.2

3.6

4.1

3.5

3.9

3.4

3.8

3.3

3.7

3.2

3.6

3.1

3.5

3.0

3.4

2.9

3.3

2.8

3.2

2.7

3.0

2.6

2.9

2.5

2.8

2.4

2.7

2.3

2.6

2.2

2.5

2.1

2.4

2.0

2.3

1.9

2.1

1.8

2.0

1.7

1.9

1.6

1.8

1.5

1.7

1.4

1.6

1.3

1.5

1.2

1.4

1.1

1.2

1.0

1.1

0.9 or below

0.0