LATERAN			ST. PETER'S			S. PAOLO f.l.m.
	In Found-ations	Above Ground		In Found-ations	Above Ground		In Found-ations	Above Ground
		Actual	Ideal		Actual	Ideal		Actual	Ideal
Total Length, Including Apse	333 1/3				403 1/3			434 1/3*
Total Length, Excluding Apse	303 1/3	305	300		370 1/3			391 7/12	400
Diameter of Apse		53			60			84	80
Depth of Apse	30				33			42
Height of Apse			62 1/2		75 2/3	75		78 2/3	80
Chord Wall of Apse	3			7 1/2
Apse Wall	8			5 2/3
Length of Nave	303 1/3				307	300		303 1/3	300
Total Width of Nave and Aisles		178 1/5	180		215	210		220	220
Nave width clear		63 1/2			80			82	80
Height to roof beams			ca. 90		110			104	100
Height to apex of roof					125 1/2			123
Height to architrave or arcade			ca. 38		37 1/2			35
Height to window sill			65		80			80
Length of inner aisles	303 1/3				307			303 1/3	300
Width of inner aisles		27 1/2		25 1/2		30		30
Height of inner aisles			50+					45
Outer aisles, length					307			303 1/3	300
Outer aisles, width		26		25 1/2				30
Outer aisles, height		30						40
Combined width of aisles		55		60				ca. 62
Transept width					225			240 clear
Transept width including exedrae and their walls					307 2/3
Transept depth						60		82
Transept height								91
Exedrae/aisle-transept length	37		39
Exedrae/aisle-transept depth	27 1/4		30			40
Transept end wall					5			6 1/4
Windows, height					16 2/3			16 1/2**
Windows, width					11			8 1/4
Windows, distances		9/10 (nave) 12 (aisles)			12 1/3			6 (nave) 3 (aisles)
Thickness of walls:
nave	5 2/3		9	7 (6 1/3)	5		6	3 3/4
aisles				9			4	6 1/2
intermediary	5 2/3			9		9	4
Atrium, length				307 2/3				200
Atrium, width				214 2/5				226
Atrium porticoes, width				30 2/3	30			24 1/2

* This figure, derived from Letarouilly's metric dimension, differs slightly from the total length arrived at incrementally, 433 7/12 R. ft.
** In clerestory.