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You can also approximate this for 1080p with the formula:
<pre>TV Size [inches] = (Viewing distance [ft]/1.6)*12</pre>
→Pick the Optimal Display
In practice it's probably easiest to figure out the location of the TV and seating arrangement in the cabin, and use the viewing distance to select an optimal TV size and resolution from Table 1 or 2 below.<ref>http://ca.rtings.com/tv/learn/size-to-distance-relationship</ref> <ref>http://gizmodo.com/5280355/guess-what-many-of-you-wasted-money-on-your-1080p-tv-but-theres-hope</ref>
<table width="25%" border ="1">
<tr><td>10.5</td><td>3.20</td><td>75</td></tr>
</table>
You can also approximate this for 1080p with the formula:
<pre>TV Size [inches] = (Viewing distance [ft]/1.6)*12</pre>
Table 2 gives size and distance for 720p resolution.
</table>
A TV consumes around 400 watts (see also [[ElectricalCapacityAC]]).