Small Hotmail Calendar is limited to fixed set of values for width and height. These values are:
| Narrow | Wide | |
| Short | 141×428 | 192×428 |
| Medium | 141×560 | 192×560 |
| Tall | 141×692 | 192×692 |
If you wish to change Hotmail Calendar width/height, you'll have to change it in the embed code.