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what3words is a new universal address system.

w3w is a giant grid of the world made up of 57 trillion squares of 3 metres x 3 metres. Each square has been given a 3 word address comprised of three words from the dictionary. What three words? Carefully chosen ones to help make important locations more memorable. [Go to the settings menu to change the language for the "three words".]

Explore the map, zoom in to see the grid, and tap the wordbar to share a 3 word location with your friends.
You can also use the app to purchase an additional, personalised address for any 3m x 3m square: it's called a OneWord. It always starts with a *, and you can move it to your current location, or any other location whenever you choose.

You can use the w3w app to find, share and get directions to any 3 word location or any OneWord location.

w3w is universal. You can email or SMS a w3w, say it over the phone, write it down or just remember it. It's the easiest form of address communication.

Next time you ask someone where they are, just ask them "What 3 words?"!

We hope you enjoy what3words!

Please note: to function properly, the "what 3 words" app requires an internet connection, either via 3G, 4G or WiFi.

Tags: what3words.

Recently changed in this version

Improved map interactions.

Comments and ratings for what3words
  • (67 stars)

    by Atif Shaikh on 28/04/2014

    excellent app and a great idea

  • (67 stars)

    by Hannes van Zyl on 28/03/2014

    This app is brilliant and does exactly what it promises, and does it well.

  • (67 stars)

    by Katie Lewis on 26/03/2014

  • (67 stars)

    by Martin Warr on 20/03/2014

    Well done for redesigning the app. With the in app purchase of pins its great, now the world is ready to w3w everywhere. Idea Start mapping points of historic interest

  • (67 stars)

    by Craig Barratt on 20/03/2014

    I know its just maths, but the fact you can locate anywhere on the planet with just 3 words is amazing. Edit: controls fixed, app is now upgraded to awesome.

  • (67 stars)

    by Sonia Smith on 02/03/2014

  • (67 stars)

    by Mayank Singh on 18/02/2014

    Could have been much better with labels and easy to use