Projector Throw Calculator
Tells you exactly how far back to mount your projector to fill your impact screen. Pick a common golf-sim projector or enter a throw ratio manually. We'll do the math + show whether it fits your room.
Or enter your projector's throw ratio below.
Equal min and max = fixed-zoom projector.
Common: 7.5 ft (10×7.5 screen) · 9 ft (12×9) · 6 ft (8×6).
Distance from floor to projector lens. For SVG diagram only.
Set to check if the projector fits your room. Leave at 0 to skip.
Throw distance
7'4"
Range: 6'6" – 8'2" (use the zoom ring to dial in)
BenQ AH700ST
Lumens 4,000·Throw 0.49:1 – 0.61:1
40 lm/ft² · Bright enough for ambient light
Image dimensions
Width 13'4"·Height 7'6"·Diagonal 15'4"
16:9 image painted at the screen height. If your screen is wider than 16:9, the image letterboxes — there's no benefit to a wider screen unless you're catching off-axis shots.
✓ Fits your room
Your 16'0" depth has 7'10" of margin behind the projector for player setback.
Side view
📐 Build a complete simulator setup →
Want to know if your full build will work — projector + LM + room dims + ceiling height + screen size, all checked against each other? Use the full Build Your Sim wizard.