Depends on the type. The A330 has 10.
The A330 can carry up to 335 passengers
A maximum of 440 can fit in the A330-300.
The Airbus Industries A330 aircraft comes in two basic models, a -200 series and a -300 series. The A330-200 carries about 240 passengers and the A330-300 carries about 300 passengers depending on the Airline's chosen configuration.
The airbus A330-200 holds 293 passengers and the A300-300 holds 375 passengers.
A330-200: US$176.3 to $185.5m A330-300: $195.9 to $205.7m A330-200F: $180.6 to $187.7m
Airbus A330 maximum rangeA330-200: 13,400 km (7,200 nmi)A330-200F: 7,400 km (4,000 nmi)A330-300: 11,300 km (6,100 nmi)
The Airbus A330 has a maximum range of 13,450 km.
An Airbus A330-200 costs between $171m and $201m. The A330-300 between $196m and $206m. (US Dollars).
An A330-200: 119,600 kg (264,000 lb)An A330-200F: 109,000 kg (240,000 lb)
Airbus A330 maximum rangeA330-200: 13,400 km (7,200 nmi)A330-200F: 7,400 km (4,000 nmi)A330-300: 11,300 km (6,100 nmi)
The Airbus A330-200 has a typical 2-class capacity of 293. The A330-300 has a 2-class capacity of 335.