Pixel aspect ratio
Pixel aspect ratios of common video formats

Video system
DAR
Picture dimensions (px × px)
PAR
PAR
PAR (decimal)
PAR (decimal)
Width (px)
Width (px)
Video system
DAR
Picture dimensions (px × px)
Rec.601
Digital
Rec.601
Digital
Rec.601
Digital
PAL
4:3
704×576
59:54
12:11
1.0925
1.09
769, 385
768, 384
PAL
16:9
704×576
118:81
16:11
1.456790123
1.45
1026, 513
1024, 512
PAL
4:3
720x576
-
16:15
-
1.06
-
768, 384
PAL
16:9
720x576
-
64:45
-
1.42
-
1024, 512
NTSC
4:3
704×480
10:11
10:11
0.90
0.90
640, 320
640, 320
NTSC
16:9
704×480
40:33
40:33
1.21
1.21
853, 427
853, 427
HDV / HDCAM
16:9
1440×1080
4:3
4:3
1.3
1.3
1920
1920

Question: A PAL displayed at 4:3 (DAR) would correspond to what?
Answer: PAL displayed at 4:3 (DAR) corresponds to either a PAR of 12:11 (704×576), or a PAR of 16:15 (720×576).