**Exhibit 12.1**

 

**U-Store-It Trust**

**Computation of Ratio of Earnings to Fixed Charges**

**(dollars in thousands)**

 
| ** **                                                                                 | ** ** | **Year Ended December 31,** | ** ** | **Six Months Ended June 30,** | ** ** |
|--------------------------------------------------------------------------------------------|------------|----------------------------------|------------|------------------------------------|------------|
| ** **                                                                                 | ** ** | **2005**                         | ** ** | **2006**                           | ** ** | **2007** | ** ** | **2008** | ** ** | **2009** | ** ** | **2009** | ** ** | **2010** | ** ** |
| **Earnings before fixed charges:**                                                         |       |                             |       |                               |       |   |   |   |   |   |   |   |   |   |   |
| **Add:**                                                                                   |       |                             |       |                               |       |   |   |   |   |   |   |   |   |   |   |
| Loss  from continuing operations                                                           |       | $                                | (4,576     | )                                  | $          | (16,820 | ) | $ | (24,370 | ) | $ | (23,428 | ) | $ | (17,017 | ) | $ | (9,798 | ) | $ | (7,581 | ) |
| Fixed  charges - per below                                                                 |       | 34,229                           |       | 49,695                             |       | 56,192 |   | 54,192 |   | 47,831 |   | 22,891 |   | 19,792 |   |
| **Less:**                                                                                  |       |                             |       |                               |       |   |   |   |   |   |   |   |   |   |   |
| Capitalized  interest                                                                      |       | —                           |       | (35                                | )          | (108 | ) | (99 | ) | (73 | ) | (27 | ) | (78 | ) |
|                                                                                       |       |                             |       |                               |       |   |   |   |   |   |   |   |   |   |   |
| Earnings  before fixed charges                                                             |       | 29,653                           |       | 32,840                             |       | 31,714 |   | 30,665 |   | 30,741 |   | 13,066 |   | 12,133 |   |
|                                                                                       |       |                             |       |                               |       |   |   |   |   |   |   |   |   |   |   |
| **Fixed charges:**                                                                         |       |                             |       |                               |       |   |   |   |   |   |   |   |   |   |   |
| Interest  expense (including amortization premiums and discounts related to  indebtedness) |       | 33,952                           |       | 47,600                             |       | 55,880 |   | 53,943 |   | 47,608 |   | 22,826 |   | 19,676 |   |
| Early  extinguishment of debt                                                              |       | 93                               |       | 1,907                              |       | — |   | — |   | — |   | — |   | — |   |
| Capitalized  interest                                                                      |       | —                           |       | 35                                 |       | 108 |   | 99 |   | 73 |   | 27 |   | 78 |   |
| Estimate  of interest within rental expense                                                |       | 184                              |       | 153                                |       | 204 |   | 150 |   | 150 |   | 38 |   | 38 |   |
|                                                                                       |       |                             |       |                               |       |   |   |   |   |   |   |   |   |   |   |
| Total  Fixed Charges                                                                       |       | 34,229                           |       | 49,695                             |       | 56,192 |   | 54,192 |   | 47,831 |   | 22,891 |   | 19,792 |   |
|                                                                                       |       |                             |       |                               |       |   |   |   |   |   |   |   |   |   |   |
| Ratio  of earnings to fixed charges (a)                                                    |       | 0.87                             |       | 0.66                               |       | 0.56 |   | 0.57 |   | 0.64 |   | 0.57 |   | 0.61 |   |
|                                                                                            |            |                                  |            |                                    |            |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

 

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(a)  Due to our lossesin fiscal 2005, 2006, 2007, 2008, 2009 and 2010, the coverage ratio was lessthan 1:1.  The Company must generateadditional earnings of $4.6 million, $16.9 million, $24.5 million, $23.5million, $17.1 million, $9.8 million, and $7.6 million to achieve a coverage of1:1 in fiscal 2005, 2006, 2007, 2008, 2009, and the six months ended June 30,2009 and 2010, repectively.

 

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