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Projector throw distance and screen size calculator by Enchant Entertainment Perth
Free Tool

Projector Throw & Screen Size.

Work out how big your image will be, or how far back the projector needs to sit. Enter a throw ratio and get screen width, height, diagonal and throw distance, in metres and inches.

Free to useNo loginMade by working AV crew

Throw ratio = throw distance ÷ image width. As a guide: standard lens ≈ 1.8–2.4, short‑throw ≈ 0.5–0.8, long‑throw ≈ 3+. Check your projector spec for its exact range. Figures are for planning, allow clearance for seating and sight lines.

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Send us your date, venue and what you need. We reply with a tailored quote within 48 hours.

Or email info@enchantent.com.au · ABN 55 936 767 411