In economy class it is 7kg INCLUDING you laptop. See their website for more information:
One piece, not to exceed 7 kg (15lb)
Maximum hand baggage dimensions are 50x37x25cm (20x15x10in) each
Personal items such as one ladies handbag or one small briefcase, walking sticks, cameras, and duty-free items purchased on the day of your flight are not counted towards your hand baggage allowance.
Laptops and laptop bags have to fit within your hand baggage allowance.
In economy class it is 7kg INCLUDING you laptop. See their website for more information:
One piece, not to exceed 7 kg (15lb)
Maximum hand baggage dimensions are 50x37x25cm (20x15x10in) each
Personal items such as one ladies handbag or one small briefcase, walking sticks, cameras, and duty-free items purchased on the day of your flight are not counted towards your hand baggage allowance.
Laptops and laptop bags have to fit within your hand baggage allowance.
http://www.qatarairways.com/global/en/baggage.page