for a webapp I would like a 'speed' search field in which users could search by concrete speeds in kilometers per hour km/h, and at the same time they should have the possibility to make a less accurate search by choosing between 'slow. medium, or fast'. So the possible searchs in that field would be

  • slow
  • medium
  • fast
  • xxx km/h

where xxx is any number (e.g- 60 km/h, 200 km/h)

What's the best solution for that?

  • Best solution for what? How user can select what kind of input they are going to provide? – locationunknown Jun 12 '17 at 5:44

If I understand your question properly, you would like an easy to use way of searching for a speed, whether it's a vague description or a specific value.

Who is your audience? Is it literally anyone, or is it older folks, or younger folks?

I think with older folks, a very obvious, clickable UI is more appreciated (but I think this UI choice is perfectly suitable for any situation). For example, you could have something like:


download bmml source – Wireframes created with Balsamiq Mockups

For a younger crowd, or a data-entry type situation where speed is important, you could go with an autocomplete box. I think the autocomplete options should be immediately apparent when the field has focus - and/or a very small blurb needs to exist to let the users know what options are available:


download bmml source

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Do what Google does:

Google exact and ballpark filter options

It's clean, simple and unambiguous.

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