Enter the inches and the conversion factor into the calculator to determine the rack units.
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Inches To Rack Units Formula
The following formula is used to calculate the conversion from inches to rack units.
RU = I / 1.75
Variables:
- RU is the rack units
- I is the inches to be converted
To calculate the rack units, divide the inches by 1.75. This will give you the equivalent measurement in rack units.
| Inches (in) | Rack Units (RU) |
|---|---|
| 1.75 | 1 |
| 3.50 | 2 |
| 5.25 | 3 |
| 7.00 | 4 |
| 8.75 | 5 |
| 10.50 | 6 |
| 12.25 | 7 |
| 14.00 | 8 |
| 15.75 | 9 |
| 17.50 | 10 |
| 19.25 | 11 |
| 21.00 | 12 |
| 24.50 | 14 |
| 26.25 | 15 |
| 28.00 | 16 |
| 31.50 | 18 |
| 35.00 | 20 |
| 42.00 | 24 |
| 70.00 | 40 |
| 73.50 | 42 |
| *Standard rack unit: 1 RU = 1.75 inches (44.45 mm). | |
What is Inches To Rack Units?
Inches to Rack Units is a conversion method used in telecommunications and computing industries to measure the height or space occupied by electronic equipment in a rack. A rack unit, often represented as “U” or “RU”, is a standardized measurement equal to 1.75 inches. This system allows for efficient and organized placement of equipment within a rack, ensuring compatibility and interchangeability between different manufacturers and types of equipment.
