The standard rack at 19 inches is 42u.
Server rack size calculator.
The vertical inches are on the facial area of the server rack chassis.
42u 42 rack units on your mounting rails 73 5 of rack mount space available.
Racks are designed to hold equipment of those sizes.
That said it is possible to understand the notation used for server rack sizing.
Please note that actual internal and external height vary depending on rack manufacturer.
For example a 9u rack has a width of 19 inches for a standard rack and a height of 15 75 inches 1 75 multiplied by 9.
This has no bearing on width or depth of devices in the chassis.
U conversion calculator convert from u s to inches select u 1u 2u 3u 4u 5u 6u 7u 8u 9u 10u 11u 12u 13u 14u 15u 16u 17u 18u 19u 20u 21u 22u 23u 24u 25u 26u 27u 28u 29u 30u 31u 32u 33u 34u 35u 36u 37u 38u 39u 40u 41u 42u 43u 44u 45u 46u 47u 48u 49u.
Use this calculator to determine how many vertical inches of space are required for a designated number of server rack units u for rme rack mounted equipment.
Rack servers and other hardware designed to be rack mounted are manufactured in multiples of 1 75 inches and specified in multiples of rack units usually 1u 2u 3u or 4u.
42u server racks are the most common rack height sold for data centers.
So you would divide 13 903 ft 2 by 16 ft 2 which equals about 869 racks which equals the maximum number of racks you can fit into the facility.
One u is 1 75 inches 44 45mm.