Projector Calculator

Estimate the right screen size for your room based on projector throw distance and throw ratio.

Throw Distance (meters) *

Projector Throw Ratio

Check your projector's datasheet — typical range is 1.2–1.6 for standard throw, 0.5–0.8 for short throw models.

Screen Aspect Ratio

Recommended Screen Size

Screen Width–

Screen Height–

Diagonal Size–

This is an estimate based on the standard throw-ratio formula (throw distance ÷ throw ratio = screen width). For an exact fit, check the throw-ratio range listed on your chosen BenQ projector's datasheet, or contact our team for a room-specific recommendation.