22nd-29th April 2019

Sign the call to action

Add your voice to our global call to action. More...

Help spread the word about PI

Help us raise awareness of PI within various communities. Here you will find guidance to spread the word. More...

Organise an event or activity

Would you like to hold an event, but don't know where to start? Start here! More...

Events around the world

See what's on near you, or be inspired by past events on our interactive global map. More...

Get the resources

Everything you need to get involved. More...

Sponsor World PI Week

Learn about how your company could help World PI Week to reach more people. More...