Saturn V inert weight or dry weight or weight without fuel

S-IC Stage: 288750 [pounds] = 130975 [kg]
S-IC/S-II Interstage: 11465 [pounds] = 5200.44 [kg]
S-II Stage: 79920 [pounds] = 36251.1 [kg]
S-II/S-IVB Interstage: 8080 [pounds] = 3665.03 [kg]
S-IVB Stage: 25000 [pounds] = 11339.8 [kg]
Instrument Unit: 4305 [pounds] = 1952.72 [kg]

Spacecraft-LM Adapter: 4045 [pounds] = 1834.78 [kg]
Lunar Module: 9520 [pounds] = 4318.2 [kg]
Service Module: 10555 [pounds] = 4787.67 [kg]
Command Module: 12250 [pounds] = 5556.51 [kg]
Launch Escape System: 8910 [pounds] = 4041.51 [kg]

Saturn V total inert weight: 462800 [pounds] = 209923 [kg]


Saturn V total weight at ignition: 6484070 [pounds] = 2941.12E3 [kg]


462800/6484070*100 = 7.13749 [%]


AT LEAST A 7 % OF THE SATURN V MASS AT IGNITION WAS NOT FUEL.