Luggage Weight Checker
Check if your luggage is over the airline weight limit.
Enter item weights to get a total and see if you are over or under.
Airlines enforce strict baggage weight limits and charge fees for overweight or oversized bags. Knowing your bag’s weight before you reach the airport saves money and eliminates check-in surprises.
Key formulas: Overweight Fee Applies When: Bag Weight > Airline Limit Total Baggage Cost = Check-in Fee + Overweight Fee (if applicable) + Oversized Fee (if applicable) Weight Remaining = Allowed Limit − Current Bag Weight
What each variable means:
- Airline Limit — the maximum weight per checked bag without surcharge. Most carriers set 50 lb (23 kg) for economy class; business/first class often allows 70 lb (32 kg).
- Overweight Fee — a surcharge for bags between the standard limit and 70 lb (32 kg). Typically $75–$200 per bag depending on the airline.
- Oversized Fee — charged when any single dimension exceeds 62 linear inches (length + width + height). Usually $100–$200 extra.
- Linear Inches — calculated as: Length + Width + Height.
Standard airline weight limits (economy, checked bag):
- Delta / United / American — 50 lb (23 kg) standard; 70 lb (32 kg) maximum
- Southwest — 50 lb (23 kg)
- Spirit / Frontier — 40 lb (18 kg) — stricter than major carriers
- Most international carriers — 50 lb (23 kg) or 20 kg (44 lb)
Carry-on limits:
- Overhead bag: typically 22 × 14 × 9 inches (56 × 36 × 23 cm)
- Weight: 15–22 lb (7–10 kg) on most carriers
Worked example: Your bag weighs 57 lb (25.9 kg) on Delta. It exceeds the 50 lb limit by 7 lb. Delta charges $100 for bags 51–70 lb. Your standard check-in fee is $35. Total cost = $35 + $100 = $135 for that one bag.
Packing a small digital luggage scale (costs ~$10) is one of the best travel investments you can make.