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Projector Throw Calculator
Compute throw ratio, lens type, and image dimensions
Select Known Parameter to Calculate the Other
Throw Distance
ft
Image Width
ft
Results
Throw Ratio
1.50:1
Lens Type
Standard
Image Width
10.00 ft
Image Height
5.63 ft
Image Diagonal
11.47 ft
References
Throw Ratio = Throw Distance ÷ Image Width = 15.00 ÷ 10.00 = 1.50:1
Image Height = Width ÷ Aspect (16:9) = 10.00 ÷ 1.7778 = 5.63 ft
Image Diagonal = √(W² + H²) = √(10.00² + 5.63²) = 11.47 ft
Lens Classification: UST < 0.5 | Short Throw 0.5–1.0 | Standard 1.0–2.0 | Long Throw > 2.0