| Level | Rank | Royal Marine |
| 8 | Admiral, Admiral of the Fleet (wartime) | General |
| 7 | Rear Admiral, Vice Admiral | Major-General, Lieutenant General |
| 6 | Captain, Commodore | Colonel, Brigadier |
| 5 | Commander | Lieutenant-Colonel |
| 4 | Lieutenant, Lieutenant Commander | Captain, Major |
| 3 | Warrant Officer, Midshipman, Sub-lieutenant | Warrant Officer, Second Lieutenant, First Lieutenant |
| 2 | Petty Officer, Chief Petty Officer | Sergeant, Colour Sergeant |
| 1 | Ordinary Rate, Leading Rate | Lance Corporal, Corporal |
| 0 | Spacer Recruit, Able Spacer | Marine |