Ratio Four Coffee Machine with Removable Water Tank: Full flavor extraction with bloom cycle

Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Thumbnail Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Thumbnail Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Thumbnail Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Thumbnail Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Thumbnail Coffee Machine with Removable Water Tank — Coffee Maker, Ratio
Thumbnail Coffee Machine with Removable Water Tank — Coffee Maker, Ratio

If you're the kind of person who thinks coffee isn't just a drink but a lifestyle, meet the Ratio Four Coffee Machine. It's like the Swiss Army knife of coffee makers—designed to deliver that perfect cup without the fuss. Thanks to its clever bloom cycle (which pre-infuses your grounds like a barista would), every sip is as rich and balanced as it gets. Whether you're brewing a quick single shot or filling up a giant travel mug for your morning commute, this machine's got your back.

Now, let's talk features—because this isn't your average coffee maker. First off, it's got an advanced heating element that keeps the temperature just right, because nobody likes lukewarm coffee. Then there's the removable water canister, which is a game-changer for easy refills and getting your water measurements spot-on. And let's not forget its compact, sleek design that somehow makes even the smallest kitchen counter look like it's straight out of a home decor magazine.

Bottom line? Whether you're squeezing it into a tiny apartment kitchen or an office break room, the Ratio Four is all about making great coffee without taking up half your counter. Plus, it looks so good you might just leave it out as decor.

Features
  • Flexible brewing capacity 5-20 ounce
  • Consistent temperature 91-95°C
  • Easy water refills with removable tank
  • Compact design 11.5”H x 7.5”W
  • Full flavor extraction with bloom cycle

General specs

  • Brand: Ratio
  • Model: Four
  • Seller: Amazon
  • ID: B0DKGCL1MR
  • Capacity: 5-20 ounce
  • Brew time: 4 minutes
  • Dimensions: 11.5”H x 7.5”W
  • Temperature Range: 91-95°C (195-203°F)
  • First listed by seller: 6/13/25

If you are interested in more details, you can find full information on the seller's page.

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Offers updated: 6/3/26
Price History for seller Amazon

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Update May 19, 2026 May 11, 2026 May 18, 2026 May 11, 2026 May 29, 2026 Mar 21, 2026
Capacity 5-20 ounce 10 Single Serve, 10 Cup Capacity 12 cups (0.25 cu ft)
Filter Type Paper Reusable Reusable
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Coffee Maker Type Drip Coffee Maker Pour Over Drip Coffee Machine
Coffee Machine with Removable Water Tank — Coffee Maker, Ratio

Ratio Four Full flavor extraction with bloom cycle

$279.00
Product confidence

Reviews

3.9
(35 ratings)

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