Calculate the Seating Capacity

How many seats?

How many seats fit into my home theater? How many rows of seats do I need?

This question arises ...

… at the beginning of planning a home theater construction and is relevant for other calculations. For example, the size of the screen or the positioning of the loudspeakers depends on this. The optimal number of seats is influenced by more factors than just the sheer size of the room.

Unit of measurement:

Decimal separator:

Room length (mm):

Valid range: 4000 - 12000 mm

Room width (mm):

Valid range: 3000 - 12000 mm

Room height (mm):

Valid range: 2000 - 5000 mm

Seat width (mm):

Valid range: room width - 2 * side gap - 2 * passage width

Seat depth (mm):

Valid range: 500 - 1200 mm

Seating depth (mm):

Valid range: 0 to < seat depth

Rows of seats spacing (mm):

Head to head distance
Valid range: 900 - 2000 mm

Side distance of the row of seats (mm):

E.g. distance to a step
Valid range: 0 - 500 mm

Number of passages:

E.g. "2" if there is a passage to the left and right of the row of seats.
Valid range: 0 - 3

Passage width (mm):

Valid range: 0 - 1500 mm

Reserved space in front (mm):

E.g. if the screen is not attached directly to the wall.
Valid range: 0 - 1500 mm

Reserved space at the back (mm):

E.g. if there is a passage at the back or space for a subwoofer must remain free.
Valid range: 0 - 2000 mm

Screen width (visible) (mm):

Valid range: 0 to room width - 2 * (frame width + frame distance)

Min. distance to the wall (mm):

Min. distance between the screen frame and the wall.
Valid range: 0 - 1000 mm

Frame width (mm):

A (usually) black border around the visible area of the screen.
Valid range: 0 - 200 mm

Screen frame thickness (mm):

Screen frame thickness
Valid range: 10 - 100 mm

Min. distance to the floor (mm):

Min. distance between the screen frame and the floor.
Valid range: 0 - 2000 mm

Factor viewing distance/image width:

The viewing distance in relation to the image width.
Recommendation for 21:9 => 1.21
Recommendation for 16:9 => 1.50
Example:
(Viewing distance: 145.2 inch) / (Image width: 120.0 inch) = 1.21
Valid range: 0,80 - 2,00

Note

Seats

Rows of seats

Seats per row

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