Projector Screen Size Calculator

Use our free Projector Screen Size Calculator and get accurate screen size and placement recommendations in under a minute. Still deciding between options? Use our Comparison tool to see different aspect ratios and screen sizes side by side.

Choose an aspect ratio, enter any one Image or Exterior dimension, select a Stewart Filmscreen frame series, and we’ll compute the rest.

Aspect Ratio

Exterior dimensions of the full frame:

Use our patented Home Theater Designer to build the home theater of your dreams!

Use our free Projector Calculator to determine your ideal throw distance & projector placement.

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Screen Size Comparison

Compare two aspect ratios and diagonals. Visual overlay + exact width, height, and area deltas.

Display 1

MetricValue
Width (in)
Height (in)
Area (sq in)

Display 2

MetricValue
Width (in)
Height (in)
Area (sq in)

Visual overlay and comparison

Display 1
Display 2
Δ Width: —
Δ Height: —
Δ Area: —

Enter sizes to see how much larger/smaller Display 2 is vs Display 1.



Inspiration Gallery

From living room upgrades to dedicated home theaters, we're here to help you every step of the way. Browse our inspiration gallery to spark creative ideas for your project.

More Home Theater Design Tools

Use our patented Home Theater Designer to build the home theater of your dreams! Begin by configuring your room size, adding seating, and selecting screen and speaker options to visualize your home theater or media room layout.

Our free Projector Calculator will help you determine the ideal throw distance, projector placement, and screen size, and gain in your home theater. Projectors have been tested in our lab and use precise data to show the exact brightness on the screen.

Shop Home Theater

From projectors to speakers to furniture, Audio Advice is the destination for all things home theater. With free shipping, a price guarantee, and lifetime support, we're happy to answer questions on chat, on the phone, or in any of our stores.