30
You can also use the Projection Distance Calculator here (U.S.), here (Canada), or here (Caribbean).
1 Projection distance (from image to rear of projector)
2 Distance from projector surface to base of image
3 Distance from projector surface to top of image
4 Projected image size
16:9 Aspect Ratio Image or Screen
Screen or image size
(4)
Projection distance (1)
Wide to Tele
Offset from projector
surface (2)
Wide to Tele
Offset from projector
surface (3)
Wide to Tele
70 inches (177.8 cm) 7.8 to 14.0 inches
(19.7 to 35.5 cm)
11.3 to 19.0 inches
(28.7 to 48.2 cm)
45.6 to 53.3 inches
(115.9 to 135.4 cm)
80 inches (203.2 cm) 10.3 to 17.4 inches
(26.2 to 44.2 cm)
12 to 20.8 inches
(30.5 to 52.8 cm)
51.2 to 60.0 inches
(130.1 to 152.4 cm)
90 inches (228.6 cm) 12.8 to 20.8 inches
(32.6 to 52.9 cm)
12.7 to 22.6 inches
(32.2 to 57.3 cm)
56.8 to 66.7 inches
(144.3 to 169.4 cm)
100 inches (254 cm) 15.4 inches (39.1 cm)* 13.4 inches (33.9 cm)* 62.4 inches (158.5 cm)*