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what are the size measurements of the I want to believe x files poster in the xfiles tv show

The “I Want to Believe” poster in The X-Files was never given an official, exact, production‑documented size in the show itself, but multiple sources that replicate or sell screen‑accurate versions describe it as roughly in the range of 24" × 36" (about 61 cm × 91.5 cm) , with some sellers using slightly smaller “full size” versions around 20" × 30" (about 51 cm × 75.5 cm).

Quick numbers you’ll see most often

  • 24" × 36" (61 cm × 91.5 cm)
    • Described by a detailed replica discussion as matching the actual prop’s 2:3 ratio, and recommended as the “closest to the original” size for reprints.
  • 20" × 30" (51 cm × 75.5 cm)
    • Marketed by sellers as “exactly the same as the one seen in Mulder’s office… same size and detail,” and explicitly labeled the “full size” poster.

Both sizes are plausible because:

  • TV props are often made to fit a wall or frame, not to a strict international standard.
  • Different episodes, seasons, or re‑shoots could have used slightly different prints.

Why there isn’t a single “official” measurement

There is no publicly available production memo or official X‑Files art book that states the poster’s exact dimensions in inches or centimeters. The numbers you see come from:

  • Replica sellers who claim to match the on‑screen prop.
  • Fan discussions trying to recreate it as accurately as possible.
  • Auction listings for original posters that give item sizes (for example, one came in at about 33" × 24" including backing/frame elements, not just the paper).

Because of this, the most reliable practical answer is:

The poster is generally treated as a large vertical poster , most commonly reproduced at 24" × 36" or 20" × 30" , with 24" × 36" being the size many fans recommend for the most on‑screen‑accurate look.

If you want to match what you see in the show for a home print or frame:

  • Choose a 24" × 36" matte poster print (or 61 × 91.5 cm) if you want the larger, more “prop‑like” version.
  • Choose 20" × 30" (51 × 75.5 cm) if you want the version some sellers explicitly call “full size” as seen in Mulder’s office.

Information gathered from public forums or data available on the internet and portrayed here.