This graph is for user’s reference only.
Diagonal
length (inch) size
of 16:9 Screen
Screen Size W X H (16:9) Projection distance (D)
Offset
(Hd)
(m) (feet) (m) (feet)
Width Height Width Height wide tele wide tele (m) (feet)
30 0.66 0.37 2.18 1.23 - 1.51 - 4.97 0.11 0.37
45 1.00 0.56 3.27 1.84 1.49 2.27 4.88 7.45 0.17 0.55
50 1.11 0.62 3.63 2.04 1.65 2.52 5.43 8.28 0.19 0.61
60 1.33 0.75 4.36 2.45 1.98 3.03 6.51 9.93 0.22 0.74
70 1.55 0.87 5.08 2.86 2.32 3.53 7.60 11.59 0.26 0.86
80 1.77 1.00 5.81 3.27 2.65 4.04 8.68 13.24 0.30 0.98
90 1.99 1.12 6.54 3.68 2.98 4.54 9.77 14.90 0.34 1.10
100 2.21 1.25 7.26 4.09 3.31 5.05 10.85 16.55 0.37 1.23
120 2.66 1.49 8.72 4.90 3.97 6.05 13.02 19.86 0.45 1.47
150 3.32 1.87 10.89 6.13 4.96 7.57 16.28 24.83 0.56 1.84
200 4.43 2.49 14.53 8.17 6.61 10.09 21.70 33.11 0.75 2.45
300 6.64 3.74 21.79 12.26 9.92 15.14 32.55 49.66 1.12 3.68