Did some hunting, and found this stuff. Obviously, the pressure you get depends on the tire you are filling.
12 gm cartridge tire Tire inflation capacities:
700x23 - 94 PSI
700x25 - 90 PSI
650x20 - 125 PSI
650x23 - 110 PSI
16 gm cartridge Tire inflation capacities:
700x23-130 PSI
700x25-120 PSI
650x20- 180 PSI
650x23-170 PSI
"A 16-gram cartridge will put about 40 psi in a mountain bike tire and about 125 psi in a standard road tire. "
Google is your friend.