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Converting ACT Scores to SAT Scores

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Students often want to know what their ACT scores mean when compared to the scores of the SAT. Realize that any conversion is just a crude approximation. The SAT has three components: Math, Critical Reading and Writing. The ACT has four components: English Language, Mathematics, Critical Reading, and Science. Thus, when we compare ACT scores to SAT scores, we are, in fact, comparing apples and oranges.

If, however, we look at the percentage of students who score below a certain score, we can make an attempt at comparison. For example, on the SAT Math section, 50% of students scored a 510 or lower. On the ACT Math section the 50% line falls just below a score of 20.

In the table below, I've compared the ACT and SAT Critical Reading and Mathematics sections with their corresponding percentile.

Also be sure to read What's a Good SAT Score? and What's a Good ACT Score?

Convert ACT to SAT
ReadingMath
SAT ACT % SAT ACT %
800 36 99 800 36 99
770 35 99 770 33 98
740 33 98 740 31 96
710 32 96 710 30 94
680 31 93 680 28 90
650 29 90 650 26 85
620 27 84 620 25 80
590 25 78 590 24 72
560 24 71 560 22 64
530 22 61 530 21 55
500 20 51 500 19 45
470 19 41 470 17 35
440 16 31 440 16 26
410 14 21 410 15 18
380 13 14 380 15 11
350 11 9 350 14 7
320 9 5 320 14 4
290 8 3 290 13 2
260 8 2 260 12 1

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