Server Rack and Cabinet Height Conversion Table
The following table shows the height of a rack or cabinet in metric and imperial measurements. This is the internal ‘usuable’ height. The overall physical height will be larger dependent upon the type of rack or cabinet, its feet (which may be adjustable) or castors and cable entry points.
The table can also be used to calculate the total ‘U’ height of the equipment to be located in the rack or cabinet and how much space capacity is available for future expansion. For example total the height in millimetres (mm) and divide by 44.45 to get the approximate U height.
U Height |
Metres |
Centimetres |
Millimetres |
Feet |
Inches |
1U |
0.04m |
4.45cm |
44.45mm |
0.15ft |
1.75" |
2U |
0.09m |
8.89cm |
88.90mm |
0.29ft |
3.50" |
3U |
0.13m |
13.34cm |
133.35mm |
0.44ft |
5.25" |
4U |
0.18m |
17.78cm |
177.80mm |
0.58ft |
7.00" |
5U |
0.22m |
22.23cm |
222.25mm |
0.73ft |
8.75" |
6U |
0.27m |
26.67cm |
266.70mm |
0.88ft |
10.50" |
7U |
0.31m |
31.12cm |
311.15mm |
1.02ft |
12.25" |
8U |
0.36m |
35.56cm |
355.60mm |
1.17ft |
14.00" |
9U |
0.40m |
40.01cm |
400.05mm |
1.31ft |
15.75" |
10U |
0.44m |
44.45cm |
444.50mm |
1.46ft |
17.50" |
11U |
0.49m |
48.90cm |
488.95mm |
1.60ft |
19.25" |
12U |
0.53m |
53.34cm |
533.40mm |
1.75ft |
21.00" |
13U |
0.58m |
57.79cm |
577.85mm |
1.90ft |
22.75" |
14U |
0.62m |
62.23cm |
622.30mm |
2.04ft |
24.50" |
15U |
0.67m |
66.68cm |
666.75mm |
2.19ft |
26.25" |
16U |
0.71m |
71.12cm |
711.20mm |
2.33ft |
28.00" |
17U |
0.76m |
75.57cm |
755.65mm |
2.48ft |
29.75" |
18U |
0.80m |
80.01cm |
800.10mm |
2.63ft |
31.50" |
19U |
0.84m |
84.46cm |
844.55mm |
2.77ft |
33.25" |
20U |
0.89m |
88.90cm |
889.00mm |
2.92ft |
35.00" |
21U |
0.93m |
93.35cm |
933.45mm |
3.06ft |
36.75" |
22U |
0.98m |
97.79cm |
977.90mm |
3.21ft |
38.50" |
23U |
1.02m |
102.24cm |
1022.35mm |
3.35ft |
40.25" |
24U |
1.07m |
106.68cm |
1066.80mm |
3.50ft |
42.00" |
25U |
1.11m |
111.13cm |
1111.25mm |
3.65ft |
43.75" |
26U |
1.16m |
115.57cm |
1155.70mm |
3.79ft |
45.50" |
27U |
1.20m |
120.02cm |
1200.15mm |
3.94ft |
47.25" |
28U |
1.24m |
124.46cm |
1244.60mm |
4.08ft |
49.00" |
29U |
1.29m |
128.91cm |
1289.05mm |
4.23ft |
50.75" |
30U |
1.33m |
133.35cm |
1333.50mm |
4.38ft |
52.50" |
31U |
1.38m |
137.80cm |
1377.95mm |
4.52ft |
54.25" |
32U |
1.42m |
142.24cm |
1422.40mm |
4.67ft |
56.00" |
33U |
1.47m |
146.69cm |
1466.85mm |
4.81ft |
57.75" |
34U |
1.51m |
151.13cm |
1511.30mm |
4.96ft |
59.50" |
35U |
1.56m |
155.58cm |
1555.75mm |
5.10ft |
61.25" |
36U |
1.60m |
160.02cm |
1600.20mm |
5.25ft |
63.00" |
37U |
1.64m |
164.47cm |
1644.65mm |
5.40ft |
64.75" |
38U |
1.69m |
168.91cm |
1689.10mm |
5.54ft |
66.50" |
39U |
1.73m |
173.36cm |
1733.55mm |
5.69ft |
68.25" |
40U |
1.78m |
177.80cm |
1778.00mm |
5.83ft |
70.00" |
41U |
1.82m |
182.25cm |
1822.45mm |
5.98ft |
71.75" |
42U |
1.87m |
186.69cm |
1866.90mm |
6.13ft |
73.50" |
43U |
1.91m |
191.14cm |
1911.35mm |
6.27ft |
75.25" |
44U |
1.96m |
195.58cm |
1955.80mm |
6.42ft |
77.00" |
45U |
2.00m |
200.03cm |
2000.25mm |
6.56ft |
78.75" |
46U |
2.04m |
204.47cm |
2044.70mm |
6.71ft |
80.50" |
47U |
2.09m |
208.92cm |
2089.15mm |
6.85ft |
82.25" |
48U |
2.13m |
213.36cm |
2133.60mm |
7.00ft |
84.00" |
For individual rack or cabinet dimensions including overall height, width and depth please refer to the individual product specifications.
Bespoke Rack Cabinets
We provide a complete UK design and build service for our UK made server cabinets, racks and enclosure.
Please contact us for more information on our server racks range.