Emirates' baggage policy depends on your route, travel class, and fare type, using either a "weight concept" or a "piece concept" for checked baggage. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Your carry-on allowance is based on your travel class. 

Carry-on baggage allowance

• Economy Class: One carry-on bag with a maximum weight of 7 kg (15 lbs) and maximum dimensions of 55 x 38 x 20 cm.
• Premium Economy Class: One carry-on bag with a maximum weight of 10 kg (22 lbs).
• Business and First Class: Two carry-on items (one briefcase plus either a handbag or garment bag). Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Each item must weigh no more than 7 kg (15 lbs).
• Liquids, aerosols, and gels must be in containers of 100ml or less and placed in a single, transparent, resealable plastic bag.