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Moccamaster KM5 Burr Grinder

£298.00 GBP

Taxes included.

Precision Grinding, Perfectly Engineered

The KM5 features precise technology that grinds your favourite coffee beans to a consistent, uniform size. Its durable steel burrs deliver exceptional accuracy and long-lasting performance, while the stepless adjustment dial allows effortless control for a range of brewing methods (excluding espresso). Powered by a quiet, efficient motor, the KM5 grinds 60 grams of coffee in under 30 seconds. A specially designed spout minimises static and mess, ensuring a clean, smooth grinding experience every time.

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1. 50mm Flat Steel Burr Blades

Durable flat steel burrs deliver a highly precise and uniform grind and are built to last for years to come.

2. Stepless Grind Size Adjustment

The stepless knob allows for the finest adjustments of the burrs, providing the exact grind size you need for a range of brewing methods.

3. Direct Drive Motor

Water is lifted through the glass tube by the The powerful, direct-drive motor runs quietly and efficiently, grinding 60 grams of coffee in less than 30 seconds.

4. Static Reducing Dispensing Spout

The spout is designed with an internal mechanism that reduces static for a cleaner grinding experience.

5. Seal & Store

The glass container includes a storage lid to keep leftover coffee fresh.

1. What Grind Setting Should I Use?

For brewing on a Moccamaster coffee brewer, the recommended setting is 5, although you may find your ideal grind to be somewhere in the range of 4-6. We recommend a medium-coarse grind, which should look like rough sand or coarse sea salt.

2. How Often Do I Need to Replace my Burrs?

Your coffee grinder's burrs are built to last! On average, they can grind up to 240 kg of coffee beans before needing to be changed. If you make a daily 1.8 litre of coffee using the recommended formula of 108 grams per 1.8 litre, that's about 24 kg of coffee per year, meaning your burrs should last for ten years or more.

3. What do The Horizontal Lines on the Glass Grounds Coffee Container Indicate?

The markings on the glass grounds container are not specific measurements, but rather personal reference points. As you become more familiar with the grinder, you’ll begin to note which line corresponds to the amount of grounds you typically grind.

4. Is The KM5 Burr Grinder Suitable for Grindng Espresso?

The KM5 has been expertly crafted for coffee brewing. It offers a range of grind sizes, allowing you to achieve the perfect grind for a variety of brewing methods, from the medium-fine grind required for Aeropress to the coarse grind necessary for cold brew. However, it is important to note that the KM5 is not designed for espresso grinding and may not produce the very fine particulate size required for that method.

Get the Most Out of Your Moccamaster

Grind Matters

For the perfect brew, use a medium-coarse grind — similar in texture to coarse sand or sea salt. If you’re buying pre-ground coffee, ask for this grind size to ensure optimal extraction. Most pre-ground coffees are too fine, which can affect flavour and performance.

Pure Taste Starts with the Right Filter

Moccamaster oxygen-whitened filters are designed to deliver a clean, crisp cup of coffee every time. Unlike brown unbleached filters that can impart a “cardboard” taste, or metal mesh filters that trap coffee oils and clog over time, our filters ensure optimal flow for balanced extraction — preventing bitterness and preserving the pure flavour of your brew.

Choose the Right Water for the Perfect Brew

If it tastes good to drink, it will make great coffee. We recommend using fresh tap, filtered, or bottled water for the best flavour and performance. Avoid reverse osmosis or distilled water — their lack of minerals and slightly acidic pH can corrode the copper boiling element over time. Because every Moccamaster is built to last, using mineral-balanced water helps preserve your brewer’s longevity and ensures every cup tastes its best.

Keep Your Brewer Performing Like New

Over time, minerals in water can build up inside your Moccamaster’s copper boiling element, forming scale that slows water flow and affects brewing temperature and extraction. Regular descaling removes this buildup, protecting your brewer and ensuring every cup meets the Moccamaster standard of excellence. We recommend descaling every 100 brewing cycles, or at least every three months — a good reminder is to descale when you finish a box of 100 filters.