Free Online Luggage Weight Planner
Check bag weights against airline allowances and redistribute items.
Bag weights
About the Luggage Weight Planner
Airline baggage rules are usually written per bag and per passenger, which makes it easy to lose track of the real limit for a group. This planner adds the weights of every checked bag, compares them with the combined allowance, and shows the surplus or remaining capacity before you reach the airport. It also estimates overweight fees when you enter a price per kilogram or pound, helping you decide whether to repack, pay, or move items into a carry-on.
How the allowance is calculated
The total allowance is the number of passengers multiplied by the number of checked bags allowed per passenger, then multiplied by the weight allowance for each bag. Two passengers with one 23 kg bag each have 46 kg of combined allowance. If three bags are entered, the planner still compares the total against that allowance and flags the extra bag count separately. Some airlines sell additional bags rather than applying a single pooled limit, so always read the fare rules for your specific ticket.
Aggregate weight versus per-bag limits
Airlines normally apply a limit to each individual bag, not just to the total. A group could be under the combined allowance while one bag is still overweight. The planner therefore calculates both the aggregate excess and the per-bag excess. The estimated fee is based on the overweight amount in each bag multiplied by the fee per kilogram or pound you provide. That makes the result more realistic than dividing a single total by the number of travelers.
Using the planner before check-in
Weigh each bag on a bathroom scale at home, ideally twice to check consistency. Enter the weights, set the allowance that matches your fare, and add the airline's published excess fee. If the estimate is high, move heavy items into a carry-on if the cabin allowance permits, wear the bulkiest shoes, or redistribute weight between bags. Remember that airport scales can differ slightly, so leave a small margin below the limit rather than packing to the exact maximum.
Limitations and unit notes
The tool works in either kilograms or pounds and does not convert between them, because the number you type should match the unit your airline uses. Fees are estimates and exclude taxes, oversized or extra-bag charges, sports equipment fees and cabin baggage limits. Airline allowances also vary by route, fare class, loyalty status and season. Use the planner as a packing aid, then confirm the exact rules with the airline before departure.
Frequently asked questions
Does the planner pool the allowance across passengers?
Yes, the total allowance is pooled for the group, which matches how many families plan. The bag count and per-bag excess are still shown so you can see whether an individual bag would be rejected even when the group total is acceptable.
What if my airline charges a flat fee for overweight bags?
Leave the per-unit fee at zero and use the excess weight figure instead. Then compare that number with the airline's flat fee table, which often has bands such as 23 to 32 kg and over 32 kg.
Should I include carry-on bags?
No. This planner is for checked baggage allowances. Carry-on limits are usually based on dimensions and a lower weight cap, and they are handled separately by the airline.