Small Black Coffee Index by Eric Krueger

A little side project to track the average price of a small black cup of coffee — an espresso or short black, no milk, no sugar.

Submit a price →
submissions
global average (USD)
cities

Price Map

Click any pin to see details and open in Apple Maps.

Average Price Over Time

Monthly average across USD submissions.

How it works

  1. Submit a price Scan a receipt, snap a menu, or enter a price manually. Takes 30 seconds.
  2. We verify it The AI checks it's a genuine small black coffee before it goes on the map.
  3. Earn points & update the index Your submission appears on the map, feeds the global average, and earns you points on the leaderboard.

Embed this index

Add a live price widget to your site or newsletter.

<iframe src="https://sbci.erickrueger.com/embed.html?stat=global" width="300" height="130" frameborder="0"></iframe>

Replace ?stat=global with ?city=Tokyo for a city-specific widget. Preview →