Yes, the TSA allows magnets in carry-on and checked bags, though the FAA restricts powerful magnets above 0.00525 gauss measured at 15 feet.
You’ve probably packed a souvenir magnet or two from a trip, only to wonder at security whether that little ceramic rectangle will cause a problem. The question feels reasonable — magnets interact with electronics, and planes are full of them.
The rules are simpler than the anxiety suggests. The TSA explicitly lists magnets as permitted in both carry-on and checked baggage. The catch is that very strong magnets, like neodymium or industrial lifting magnets, have an FAA limit you’ll need to consider. This article covers the official regulations, the strength threshold to watch for, and tips for a smooth screening experience.
What The TSA Says About Magnets
The Transportation Security Administration’s “What Can I Bring?” database is the first stop for any carry-on question. Magnets appear with a clear “Yes” for both carry-on and checked bags. That covers fridge magnets, souvenir magnets, and most household-strength magnets you’d pack while traveling.
There is no size or quantity limit stated for typical consumer magnets. You can toss a handful of small magnets into your carry-on without worrying about a rule violation. The TSA’s guidance does not distinguish between magnet types for general travel.
However, the agency does warn about one specific scenario: industrial-strength magnets, common in salvage yards or container lifting, can damage a Transportation Worker Identification Credential (TWIC) card if placed near it. For most travelers, this is not a concern.
Why The Magnet Question Confuses Travelers
The confusion comes from mixing two different sets of rules: the TSA security screening rules and the FAA hazardous materials regulations. The TSA says yes to magnets; the FAA says yes only up to a certain magnetic strength. Travelers hear “magnets are banned on planes” from one source and “magnets are fine” from another, without understanding the distinction.
- Household fridge magnets: These produce a very weak magnetic field — well below any FAA threshold. They are universally allowed in carry-on or checked bags.
- Neodymium magnets (rare-earth): Small neodymium magnets (e.g., from craft projects) are usually fine, but larger ones (over an inch or so in diameter) may exceed the gauss limit and require special handling.
- Industrial lifting magnets: These are effectively prohibited in passenger luggage unless shipped as declared hazardous cargo. They can interfere with the aircraft’s magnetic compass.
- Magnetic toys and games: Most magnetic toys — building sets, magnetic chess boards, and magnetic puzzles — are allowed in carry-on. The TSA does not specifically restrict them.
Another source of confusion is anecdotal reports of bag searches. Some travelers recall magnets causing an extra screening where security opened their bag. While this can happen with unusual-looking items, the TSA does not automatically flag magnets for additional inspection.
TSA and FAA Rules for Bringing Magnets
The official word from the TSA is clear: magnets are allowed. You can check the current policy directly via the TSA magnets policy page, which confirms permission for carry-on and checked luggage.
The FAA adds a technical layer. Under its PackSafe program, a magnet with a field less than 0.00525 gauss measured at 4.5 meters (15 feet) is allowed in either type of luggage. Most consumer magnets — including souvenir magnets, magnetic hooks, and even small neodymium discs — fall far below this threshold. The limit is designed for large, unshielded magnets that could affect the aircraft compass.
If you’re carrying a powerful magnet for work or a hobby, you may need to check the field strength. For example, a 2-inch neodymium cube can produce a field well over the limit. In those cases, shipping the magnet as cargo may be required.
| Magnet Type | Typical Field Strength | Allowed in Carry-On? |
|---|---|---|
| Fridge / souvenir magnet | Negligible | Yes |
| Magnetic hook (like for cruise cabins) | Very weak | Yes |
| Small neodymium disc (10 mm x 3 mm) | ~0.001 gauss at 15 ft | Yes |
| Large neodymium block (50 mm x 50 mm) | May exceed 0.005 gauss | Check with airline; may need cargo |
| Industrial lifting magnet | Extremely strong | Prohibited in passenger luggage |
The table above gives a quick reference, but keep in mind that field strength depends on magnet grade and size. If you’re unsure, ask the airline or consult the FAA’s guidance.
How To Pack Magnets For Your Carry-On
Packing magnets in your carry-on is straightforward for common types. The key is to prevent them from sticking to metal items or interfering with electronic devices during screening.
- Keep magnets away from electronics and credit cards: Strong magnets can demagnetize hotel keycards, credit card strips, or even damage pacemakers if placed directly against them. Pack them in a separate pouch or wrapped in soft cloth.
- Stack similar magnets together: If you’re carrying multiple small magnets, stack them so their fields cancel out somewhat. A single strong magnet can be a problem, but a stack of weaker ones often stays below the gauss threshold.
- Place them in an outer pocket of your bag: Security may ask you to remove magnets for separate screening, just like laptops. Having them easy to access can speed up the process. Some travelers report that security opened their bag when a magnet was buried deep.
For checked bags, the same rules apply but you have less access if screening becomes necessary. Wrapping magnetic items in bubble wrap or clothing can prevent them from shifting during flight.
What About Powerful Magnets?
If you’re carrying a neodymium magnet for a project or a magnetic tool, you need to be more careful. The FAA’s limit is 0.00525 gauss at 15 feet. To put that in perspective, the Earth’s magnetic field is about 0.25 to 0.65 gauss at the surface. Most consumer magnets are nowhere near strong enough to reach the limit.
You can check the manufacturer’s specifications for the magnet’s field strength at distance. If the magnet is unlabeled, a simple test: hold a compass near it. If the compass needle deflects sharply when the magnet is more than a few feet away, the magnet may be too strong for air travel without special handling.
The FAA magnetic field limit page has more details, including a link to the full regulation. Airlines may have their own policies that are stricter. Some carriers request that you declare powerful magnets at check-in. If you’re unsure, call the airline’s hazardous materials desk before flying.
| Magnet Strength | FAA Classification |
|---|---|
| Less than 0.00525 gauss at 15 ft | Allowed in carry-on or checked |
| Between 0.00525 and ~2 gauss at 15 ft | Requires airline approval; may be allowed as cargo |
| Over roughly 2 gauss at 15 ft | Prohibited in passenger luggage |
The Bottom Line
Ordinary magnets — that fridge magnet from Barcelona, a magnetic bookmark, or the hook magnets cruisers love — are perfectly fine in your carry-on or checked luggage. The TSA has no issue with them, and the FAA’s threshold covers virtually all consumer magnets. If you’re carrying something unusually powerful, checking the gauss rating against the FAA limit or asking your airline directly is the safe move.
For peace of mind before security, check the TSA’s “What Can I Bring?” tool or your airline’s specific policy — especially if you’re flying with a rare-earth magnet that feels suspiciously strong. Your airline’s customer service can confirm whether your particular magnet needs special handling.