Luggage Weight Planner
Add up the weight of the items you are packing and check it against the airline baggage allowance and excess fees, free online.
About this calculator
List what you pack as "item: weight in kg" (for example "Laptop: 2.1"). The calculator totals the weight, compares it with your allowance (typically 23 kg checked, 7–10 kg carry-on) and estimates the excess baggage fee per kilogram.