Summary Dimensions
Following are the principal dimensions of the Cathedral. As cathedrals are compared in size by their areas, the Cathedral of St. John the Divine will rank, after St. Peter’s at Rome and Seville Cathedral, the third largest in the world.
| Length | ||
| Western Towers | 50 | feet |
| Nave | 225 | ” |
| Crossing | 100 | ” |
| Choir | 170 | ” |
| St. Saviour’s Chapel | 56 | ” |
| Total length | 601 | ” |
| Width | ||
| West Front (including buttresses) | 220 | feet |
| Nave and Aisles (exterior) | 132 | ” |
| Transepts | 315 | ” |
| Crossing | 100 | ” |
| Choir | 56 | ” |
| Ambulatory | 20 | ” |
| Height | ||
| Western Towers | 265 | feet |
| Ridge of Nave Roof | 175 | ” |
| Nave Vaults (above floor) | 130 | ” |
| Choir Vaults (above floor) | 127 | ” |
| Crossing Vault (above floor) | 200 | ” |
| Central Fleche | 470 | ” |
| Final Cross (30 feet) | 500 | ” |
| Final Cross above tide-water | 631 | ” |
| Area | ||
| Area of Cathedral | 109,082 | square feet |