| Size | Rough Guide | Control | Size Class | SSD Boxes | Excess Damage | Move Cost | Life Support | Manoeuvre Class |
|---|---|---|---|---|---|---|---|---|
| Tiny | Patrolcraft | 1 | 5 | 01-25 | 2 | 0.33 | 0.33 | A-B |
| Small | Destroyers, Light Cruisers | 2 | 4 | 26-50 | 3 | 0.50 | 0.33 | B-C |
| Moderate | Cruisers, Heavy, Command | 3 | 3 | 51-75 | 4 | 0.75 | 1.00 | C |
| Medium | 4 | 3 | 76-100 | 5-6 | 1.00 | 1.50 | C-D | |
| Large | Heavy Carriers, Battleship | 5 | 2 | 101-160 | 7-8 | 2.00 | 2.00 | D |
