Opening hours

Monday, Tuesday, Thursday, Friday from 9:30 am to 5:30 pm.
Saturday from 10 am to 6 pm.
Closed on Wednesday, Sunday, and public holidays.

The museum will be closed on Saturday November 11, 2023 and from Saturday December 23, 2023 (inclusive) to Saturday January 6, 2024 (inclusive).

Tickets are often sold out well ahead of time. We apologize for the inconvenience.
The museum's capacity being limited for security reasons, people who have not booked their tickets are not guaranteed entry.
No ticket sales on site until further notice.

During peak periods (Saturdays and school holidays), we invite you to book in advance online your tickets for the museum and its events.
Tickets are neither exchangeable nor refundable.
Please note: last entry 45 minutes before closing.
The online ticketing is open 24 hours a day.


  Full price Reduced price
Individual ticket (unguided visit) 10 € 5 €
↳ Guided visit +7 €  
Holo-Math 7 € 4 €
Tea time event 5 € 3 €
“Chez Henri” night events 5 € 3 €
Workshop for children (Saturday only) 5 €  

Free entrance upon presentation of valid proof displaying name and photograph, or accompanied by an identity document.*

* -18 years old, purchase of a ticket on the same day for a workshop, a tea time or "Chez Henri" event, beneficiaries of minimum social benefits and job seekers, disabled people and accompanying person, holder of an “Education Pass” card, parliamentarians, staff of the ministries in charge of Higher Education and Research, National Education, Culture, the Île-de-France Region, the City of Paris, Sorbonne Université, the CNRS, the Institut Henri Poincaré (IHP) and learned societies hosted at IHP, guides and lecturers from the Ministries of Culture and Tourism, members of the Circle of Partners of the IHP Endowment fund, members of the AMCSTI, visual artists affiliated with the Maison des artistes, journalists holding a national or international press card.


All spaces are accessible to disabled people - reduced mobility, visual or hearing impairment.



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For security reasons, it is prohibited to enter the museum with a suitcase or a large backpack (larger than 50x25x40 cm). Baggage lockers are only accessible to labeled and checked baggage. Please show the content of your bags when requested by security officers.
Thank you for your understanding.

The museum is aimed at an audience aged 12 and over. Any minor under 15 must be accompanied by an adult. The average visit duration is two hours.

A family booklet will soon be available for a one-hour visit of children aged 7 and over.

Lockers are available free of charge in the basement to store backpacks or other small luggage, which are prohibited for the visit.

Dogs and other pets are prohibited in the museum. Only guide dogs for disabled people are authorized.

The museum does not provide petcare during the visit of their owner.

Strollers, scooters, skateboards, bicycles even folded, are prohibited in the museum. They can be left outside the museum entrance under the responsibility of the owners.