Do I have to declare powders and granular substances at Thailand customs?

No — within the allowance it passes without a declaration.

What happens if I do not declare powders and granular substances in Thailand?

If you declare the excess yourself, a flat-rate charge is applied to the excess. An administrative fine is imposed. If the goods are found without being declared, an administrative fine is imposed.

Can I post or ship powders and granular substances to Thailand instead of carrying it?

Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead.

Can I take powders and granular substances out of Thailand?

Thailand publishes no separate rule for taking powders and granular substances out; the destination's rules are what will apply.

Does the Thailand limit for powders and granular substances apply per person or per family?

Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.

Where does this rule come from?

The Customs Department (Thailand) states it in Guidelines for Airport Passengers. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Personal belongings in reasonable quantity, which are worth no more than 20,000 baht in total and are not prohibited or restricted goods or food”

How does Thailand compare with other countries on powders and granular substances?

Of the 17 countries covered here, 4 prohibit powders and granular substances, 5 limit it and 8 let it through. Thailand is among the more permissive.

How many powders and granular substances can I bring into Thailand?

Official classification: Powders and other granular substances

Allowed

You can bring powders and granular substances into Thailand without a special limit.

Carried Allowed

Declaration Not required

Limit 20,000 THB

What you need to know

No stated quantity
Value cap: 20,000 THB
Channels: Carried with the traveler

Important

This allowance applies per person, not per family or group.

Official sources

Last verified 2026-09-19

Guidelines for Airport Passengers The Customs Department (Thailand)

Questions about Powders and granular substances in Thailand

How many powders and granular substances can I bring into Thailand?: Thailand publishes no quantity limit for powders and granular substances carried by a traveller. The allowance is per traveller and cannot be pooled between people.
Do I have to declare powders and granular substances at Thailand customs?: No — within the allowance it passes without a declaration.
What happens if I do not declare powders and granular substances in Thailand?: If you declare the excess yourself, a flat-rate charge is applied to the excess. An administrative fine is imposed. If the goods are found without being declared, an administrative fine is imposed.
Can I post or ship powders and granular substances to Thailand instead of carrying it?: Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead.
Can I take powders and granular substances out of Thailand?: Thailand publishes no separate rule for taking powders and granular substances out; the destination's rules are what will apply.
Does the Thailand limit for powders and granular substances apply per person or per family?: Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.
Where does this rule come from?: The Customs Department (Thailand) states it in Guidelines for Airport Passengers. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Personal belongings in reasonable quantity, which are worth no more than 20,000 baht in total and are not prohibited or restricted goods or food”
How does Thailand compare with other countries on powders and granular substances?: Of the 17 countries covered here, 4 prohibit powders and granular substances, 5 limit it and 8 let it through. Thailand is among the more permissive.

Related items

Accompanied cash Accompanying goods, non-commercial (flat-rate band) Agricultural/forestry/fishery/livestock products (general sub-cap) Alcohol and alcoholic beverages above 22% vol (or undenatured ethyl alcohol 80% vol and over)

Related countries

Australia Canada China France

Other items in this group

Antique and replica weapons Banned knives and edged weapons Buddha images, artifacts/objects, antiques CITES-protected species and products Cigarettes, tobacco and alcoholic beverages (commercial import, Excise Department permit) Consumer fireworks