How Is Excess Baggage Fee Calculated? Weight and Piece Rules

The answer to how excess baggage fees are calculated depends on the baggage system of your route: under the piece system, extra pieces and weight brackets are charged; under the kilogram system, the weight difference is charged. Oversized baggage is also subject to a fee. Below you'll find how the calculation works for Turkish Airlines and Pegasus, the exceptions, and what to do before heading to the airport.

In brief

• First find out whether your ticket is under the piece or kilogram system; the calculation depends on this.
• On Turkish Airlines, a single piece can never exceed 32 kg under either system; anything above that must be split into two pieces.
• Oversized baggage (158–292 cm) is charged separately regardless of weight.
• Pegasus has no fixed per-kilogram rate; the fee varies by date and demand.
• Consider buying extra baggage online in advance instead of at the airport.

The essence of the calculation: the route's baggage system first

Before calculating your excess baggage fee, find out which system your ticket falls under. There are two systems: the piece system and the kilogram system. Even on the same airline, the system can change depending on the route, so a friend's experience on a different flight isn't a reliable guide for you.

Under the piece system, your allowance is a certain number of baggage pieces. Each piece has a weight and size limit. A fee is charged for any piece exceeding the limit or beyond your allowance.

Under the kilogram system, total weight is calculated. You add any extra allowance you've purchased to your free baggage allowance; if the total weight of your baggage exceeds this sum, a fee is charged for the difference.

The fee can arise from three separate items:

• If you exceed your piece allowance
• If a single piece exceeds the weight limit
• If the baggage size falls into the oversized category

These items are not mutually exclusive. A heavy and large suitcase can incur both a weight fee and a size fee. Before buying your ticket, check the baggage allowance of the flight you select on the flight ticket search page; learning your allowance at the ticket stage is safer than paying a surprise fee at the airport.

Turkish Airlines piece system: between 23 kg and 32 kg

On routes where the piece system applies on Turkish Airlines, a single piece of baggage can weigh at most 23 kg in Economy and Business class. A piece exceeding this limit counts as excess baggage. If your baggage weighs between 23 and 32 kg, a per-piece fee is charged for each excess piece.

According to Turkish Airlines' additional service terms page, this amount is listed as 80 USD per piece. On the Canada page, however, for the same 23–32 kg bracket, the fee is 100 USD per piece for flights departing from or arriving in Turkey (e.g. IST-LAX), and 120 USD per piece for flights outside Turkey (e.g. FRA-LAX). The sources don't explain the difference between the two pages; the amount varies by page and sales region.

So don't rely on a single figure. Base your calculation on the amount listed on the page for your reservation's sales region and on your ticket details.

Example calculation logic: if your allowance is two pieces and both suitcases are under 23 kg, there's no extra fee. If one suitcase exceeds 23 kg but stays within 32 kg, one excess piece fee applies to that piece. If both suitcases fall in this range, you pay two fees. Think of the fee per piece, not per kilogram; every piece in the same bracket is charged the same amount.

Turkish Airlines kilogram system and the 32 kg limit

On routes where the kilogram system applies, the calculation is based on total weight. Add your free baggage allowance to any extra baggage allowance you've purchased. If the total weight of your baggage exceeds this value, an excess baggage fee corresponding to the weight difference is paid at the airport.

A simple way to think of it: subtract your total allowance from the weight on the scale; the remaining difference is the basis for the fee. Since the rate per kilogram varies by route, check Turkish Airlines' relevant page for the current tariff.

A single piece cannot exceed 32 kg

Regardless of which system applies, a single piece cannot exceed 32 kg. Even if your total allowance is sufficient, a single suitcase exceeding this limit will not be accepted. This baggage must be split and carried as two or more pieces. In other words, you need to consider the piece limit even under the kilogram system.

Buying extra baggage in advance

Through Turkish Airlines' online channels, you can purchase extra baggage of at least 3 kg or 1 piece and at most 230 kg or 10 pieces per transaction. If you already know you'll exceed your allowance, using this method is more predictable than facing a surprise calculation at the airport.

Oversized baggage: a fee even if the weight is normal

Excess baggage fees aren't tied to weight alone. On Turkish Airlines, baggage measuring between 158 cm and 292 cm is considered oversized. Think of this measurement as the sum of the three sides of the baggage; if you're unsure, check the definition on Turkish Airlines' baggage page.

Even if oversized baggage is part of your free allowance or your paid extra baggage, it is still subject to the oversize fee. In other words, carrying a piece within your allowance doesn't exempt you from this fee.

Turkish Airlines' oversized baggage fees are as follows:

• Flights departing from or arriving in Turkey: 110 USD
• Flights outside Turkey: 150 USD
• Domestic flights: 1,000 TRY

Fees may vary by route and travel date.

This rule mostly affects those carrying sports equipment, musical instruments, large strollers, or expanded suitcases. If you'll be traveling with such items, check the size first, not the weight. Measuring with a tape measure at home takes only a few minutes and lets you estimate the fee you'll pay at the airport.

Pegasus: no fixed per-kilogram rate

On Pegasus, excess baggage and baggage selection fees are not fixed. The fee varies according to the number of days remaining until the flight, occupancy or demand, route, flight number, travel and booking date, and sales channel. For this reason, there isn't a single figure we can quote as "so much per kilogram," and you should be cautious of fixed figures you see online.

On Pegasus, excess baggage that doesn't comply with the rules is counted as checked baggage, and additional charges may apply. In other words, if the bag you intend to carry on board exceeds the size or weight rule, it may turn into paid checked baggage.

Practical calculation method for Pegasus

• Check the baggage add-on option on the booking screen.
• Remember that the price you see applies only to that moment, since it varies by demand.
• Consider adding extra baggage before the flight rather than at the airport; you'll see the amount on the booking screen.
• Check your airline's current rule for weight and size limits.

In short, you don't calculate the fee yourself on Pegasus; the system shows the current rate at that moment. Your job is to correctly determine which category your baggage falls into.

Common mistakes and a step-by-step calculation

The most costly mistakes with excess baggage fees often arise not from not knowing the rule, but from wrong assumptions.

Common mistakes

• Confusing cabin baggage rules with checked baggage rules
• Forgetting that a single piece has a 32 kg limit and packing one large suitcase
• Confusing size measurement with weight alone
• Assuming two different airlines have the same baggage rules
• Assuming all segments of a connecting ticket will be under the same system

Step-by-step calculation

1. Note your baggage allowance (piece or kilogram) from your ticket and booking screen.
2. Weigh each suitcase at home and measure its three sides.
3. No piece should exceed 32 kg; if it does, split the items into two pieces.
4. Under the piece system, count every piece over 23 kg as excess; under the kilogram system, subtract your allowance from the total weight.
5. If any piece exceeds 158 cm, add the oversize fee.
6. If you need extra baggage, consider purchasing it online before heading to the airport.

On connecting tickets, rules may differ between segments; confirm this with your airline's current rules. For procedures and timing before baggage drop-off, also check the online check-in guide.

Checklist before you head out

To avoid surprises at the scale at the airport, review this list at least a day before departure.

• Confirm in writing the baggage allowance (piece or kilogram) for your ticket type.
• Weigh each suitcase with a baggage scale; a home scale may be off, so leave yourself some margin.
• Make sure no piece exceeds 32 kg.
• Measure the sum of the three sides; if your baggage is close to the oversize limit, check with the airline in advance.
• If you'll be shopping on your return trip, consider buying extra baggage allowance in advance.
• Don't try to carry heavy items in your cabin baggage; cabin rules are checked separately too.
• On connecting tickets, read the baggage rules for each segment.
• If flying with Pegasus, select your baggage before the flight, since the fee varies by date and demand.
• Check your airline's current rules; amounts may vary by route and date.

If you're planning a long weekend or holiday trip, start preparing early. For example, while browsing international route suggestions for the October 29 holiday, you might also consider traveling with just cabin baggage for a short trip; this eliminates excess baggage fees from the start.

Frequently asked questions

How much is charged for baggage exceeding 23 kg on Turkish Airlines?

On routes where the piece system applies, a per-piece fee is charged for each excess piece in the 23–32 kg range. Turkish Airlines' additional service terms page lists this amount as 80 USD, while the Canada page lists 100 USD for flights departing from or arriving in Turkey, and 120 USD for flights outside Turkey. Since the amount varies by sales region, check the page relevant to your reservation.

What happens if my baggage is heavier than 32 kg?

On Turkish Airlines, regardless of the system, a single piece cannot exceed 32 kg. This baggage must be split and carried as two or more pieces. Splitting the items into two suitcases at home is the most practical solution.

How is the excess baggage fee calculated under the kilogram system?

Your free baggage allowance is added to any extra baggage allowance you've purchased. If the total weight of your baggage exceeds this sum, an excess baggage fee corresponding to the excess weight is paid at the airport.

What size counts as oversized baggage?

On Turkish Airlines, baggage measuring between 158 cm and 292 cm is considered oversized. This baggage is subject to the oversize fee even if it's part of your free allowance. The fee is 110 USD for flights departing from or arriving in Turkey, 150 USD for flights outside Turkey, and 1,000 TRY for domestic flights.

Can I buy extra baggage online in advance?

Through Turkish Airlines' online channels, you can purchase extra baggage of at least 3 kg or 1 piece and at most 230 kg or 10 pieces per transaction. If you already know you'll exceed your allowance, choosing this method makes the fee predictable.

How much per kilogram is excess baggage on Pegasus?

There's no single per-kilogram rate on Pegasus. The fee varies according to the number of days remaining until the flight, occupancy, route, flight number, booking date, and sales channel. You'll see the current amount on the booking screen.

Is cabin baggage that doesn't comply with the rules charged a fee?

On Pegasus, excess baggage that doesn't comply with the rules is counted as checked baggage, and additional charges may apply. Other airlines may have similar practices, so check your airline's current rules.

Sources

• Terms And Conditions For Additional Services — turkishairlines.com
• Excess Baggage Rules, Fees and Allowances — turkishairlines.com
• Checked Baggage Rules and Procedures — turkishairlines.com
• Excess Baggage Terms and Conditions — turkishairlines.com
• General Rules — flypgs.com