Estimate your IQ, using your SAT score

Straight talk on it.

 For all SAT conversions, the chart below seems to work better than any other method. Two well known data points fit it - for George W. Bush and Al Gore (their details below the chart).

SAT I
V+M

IQ
15 SD

IQ
16 SD

%ile

 

SAT I
V+M

IQ
15 SD

IQ
16 SD

%ile

1600

152.18

155.65

99.975

 

1010

109.46

110.09

73.587

1590

151.45

154.88

99.970

 

1000

108.74

109.32

71.985

1580

150.73

154.11

99.964

 

990

108.01

108.55

70.338

1570

150.00

153.34

99.957

 

980

107.29

107.77

68.647

1560

149.28

152.57

99.949

 

970

106.56

107.00

66.916

1550

148.56

151.79

99.940

 

960

105.84

106.23

65.149

1540

147.83

151.02

99.929

 

950

105.12

105.46

63.347

1530

147.11

150.25

99.916

 

940

104.39

104.68

61.516

1520

146.38

149.48

99.901

 

930

103.67

103.91

59.659

1510

145.66

148.70

99.883

 

920

102.94

103.14

57.780

1500

144.94

147.93

99.863

 

910

102.22

102.37

55.883

1490

144.21

147.16

99.840

 

900

101.50

101.60

53.972

1480

143.49

146.39

99.813

 

890

100.77

100.82

52.052

1470

142.76

145.61

99.782

 

880

100.05

100.05

50.128

1460

142.04

144.84

99.747

 

870

99.32

99.28

48.203

1450

141.32

144.07

99.706

 

860

98.60

98.51

46.282

1440

140.59

143.30

99.660

 

850

97.88

97.73

44.370

1430

139.87

142.53

99.607

 

840

97.15

96.96

42.471

1420

139.14

141.75

99.547

 

830

96.43

96.19

40.589

1410

138.42

140.98

99.479

 

820

95.70

95.42

38.729

1400

137.70

140.21

99.402

 

810

94.98

94.65

36.894

1390

136.97

139.44

99.315

 

800

94.26

93.87

35.088

1380

136.25

138.66

99.217

 

790

93.53

93.10

33.316

1370

135.52

137.89

99.106

 

780

92.81

92.33

31.580

1360

134.80

137.12

98.983

 

770

92.08

91.56

29.884

1350

134.08

136.35

98.845

 

760

91.36

90.78

28.231

1340

133.35

135.58

98.691

 

750

90.64

90.01

26.623

1330

132.63

134.80

98.519

 

740

89.91

89.24

25.062

1320

131.90

134.03

98.329

 

730

89.19

88.47

23.552

1310

131.18

133.26

98.118

 

720

88.46

87.69

22.093

1300

130.46

132.49

97.884

 

710

87.74

86.92

20.687

1290

129.73

131.71

97.627

 

700

87.02

86.15

19.335

1280

129.01

130.94

97.344

 

690

86.29

85.38

18.039

1270

128.28

130.17

97.033

 

680

85.57

84.61

16.799

1260

127.56

129.40

96.692

 

670

84.84

83.83

15.615

1250

126.84

128.63

96.320

 

660

84.12

83.06

14.488

1240

126.11

127.85

95.914

 

650

83.40

82.29

13.416

1230

125.39

127.08

95.473

 

640

82.67

81.52

12.400

1220

124.66

126.31

94.994

 

630

81.95

80.74

11.440

1210

123.94

125.54

94.476

 

620

81.22

79.97

10.533

1200

123.22

124.76

93.916

 

610

80.50

79.20

9.680

1190

122.49

123.99

93.312

 

600

79.78

78.43

8.879

1180

121.77

123.22

92.664

 

590

79.05

77.66

8.128

1170

121.04

122.45

91.968

 

580

78.33

76.88

7.426

1160

120.32

121.67

91.224

 

570

77.60

76.11

6.771

1150

119.60

120.90

90.429

 

560

76.88

75.34

6.162

1140

118.87

120.13

89.583

 

550

76.16

74.57

5.596

1130

118.15

119.36

88.683

 

540

75.43

73.79

5.072

1120

117.42

118.59

87.730

 

530

74.71

73.02

4.589

1110

116.70

117.81

86.722

 

520

73.98

72.25

4.142

1100

115.98

117.04

85.658

 

510

73.26

71.48

3.732

1090

115.25

116.27

84.538

 

500

72.54

70.71

3.356

1080

114.53

115.50

83.361

 

490

71.81

69.93

3.011

1070

113.80

114.72

82.128

 

480

71.09

69.16

2.696

1060

113.08

113.95

80.840

 

470

70.36

68.39

2.409

1050

112.36

113.18

79.495

 

460

69.64

67.62

2.149

1040

111.63

112.41

78.097

 

450

68.92

66.84

1.912

1030

110.91

111.64

76.645

 

440

68.19

66.07

1.698

1020

110.18

110.86

75.141

 

430

67.47

65.30

1.505

The first IQ column (15 points for a Standard Deviation) applies to the most common IQ scale.

This chart seems to predict IQ scores well, as with Bush and Gore below - without "recentering"

President George W. Bush  scored 566 verbal and 640 math in his SAT's, for a total of 1206. On the chart above, 1206 translates to 124 IQ in the first column (the more common 15 Standard Deviation in IQ).  This is quite close to the 125 estimated by The Bell Curve author Murray for a 1206 combined SAT.  See how Bush compares to other Presidents' IQ and social skills.

Al Gore, Bush's 2000 opponent got 1355 on his SAT, or 134 IQ on the chart above. This matches well with the IQ's of 133 and 134 Gore received in IQ tests he took at the beginning of his high school freshman and senior years. See press report http://www.upi.com/view.cfm?StoryID=20040114-074349-3947r

SAT to IQ conversion is an inexact science, particularly for SAT's under 900. This chart is with permission from  http://members.shaw.ca/delajara/SATIQ.html  The chart's creator writes: "I did these calculations using a method similar to that for my GRE to IQ Estimator. The lowest point of reference was the theoretical average IQ of high school students being 110 and the current average SAT I V+M (verbal + math) score being 1019. Everything below that is extrapolation. Also note that the decimal places give the impression that the numbers are more precise than they really are." There has been an independent verification of the accuracy of that GRE to IQ estimator (at the high end).

Go to: Experts speak on how SAT measures IQ

Go to: SAT scores by Income and Ethnic Groups

Go to: What IQ is and how it is measured

Go to: Home Page

Comments to: VanSloan@yahoo.com

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