A broad, shallow coffee bed
A 58mm basket spreads the dose across a wider surface than many smaller domestic formats, creating a familiar preparation geometry for home baristas.
PROFESSIONAL-SIZE PREPARATION, BUILT FOR HOME
58mm Espresso Machine for Home
A professional-size 58mm portafilter meets built-in grinding, dual-scale measurement and commercial-grade brewing hardware in one connected semi-automatic system.
58mm portafilterHands-on puck preparationDual scales built inTrue dual boilers
Explore the Meraki Espresso Machine
58MM
PORTAFILTER DIAMETER
WHY 58MM?
A familiar standard for serious espresso preparation
Portafilter diameter shapes the basket, puck and preparation tools you use. It is an important workflow specification—not a guarantee of cup quality by itself.
Room to refine technique
The format supports hands-on distribution and tamping with tools made for the selected basket and portafilter.
A wider accessory ecosystem
Many tampers, baskets and preparation tools are made around the 58mm category, though exact fit must always be confirmed.
58mm
EVEN PREPARATION STARTS BEFORE WATER ARRIVES
SIZE IS THE START, NOT THE RESULT
What 58mm changes—and what it does not
A 58mm portafilter defines the approximate basket diameter and preparation format. It can make it easier to build around widely used barista tools, but it cannot correct stale coffee, an unsuitable grind, uneven distribution or an incorrect recipe.
Meraki connects that hands-on preparation format with measured dose and yield, stable temperature and rotary-pump pressure so the specification becomes part of a complete workflow.
COMPARE THE FORMAT
58mm versus smaller domestic portafilters
Portafilter size should be evaluated alongside basket design, grinder quality, thermal stability and the way you prefer to prepare espresso.
ConsiderationSmaller formats58mm format
Common useCompact domestic machinesProsumer and commercial-style systems
Puck geometryTypically narrowerTypically broader
Preparation toolsSize-specific selectionBroad 58mm-category selection
Counter footprintOften supports smaller machinesUsually part of a larger brew group
Espresso qualityDepends on the complete systemAlso depends on the complete system
THE COMPLETE WORKFLOW
The portafilter does not work alone
Meraki connects preparation with the variables that determine whether a recipe repeats.
BEFORE THE PORTAFILTER
Grind and dose by weight
The espresso-focused grinder prepares coffee while the integrated dose scale measures the input.
Explore grinding → BEHIND THE GROUPStable brewing temperature
A dedicated brew boiler controls extraction heat while a separate steam boiler remains ready for milk.
Explore dual boilers → THROUGH THE PUCKSmooth nine-bar pressure
A commercial-grade rotary pump supplies the stable pressure foundation for extraction.
Explore rotary pressure →BUILD A WORKFLOW THAT FITS
Choose tools by exact fit—not the “58mm” label alone.
Baskets, tampers and other tools can vary in tolerance, shape and design. Confirm compatibility with the current Meraki product specification before purchasing third-party accessories.
THE MERAKI ESPRESSO MACHINE
Professional-size preparation. Connected control.
Prepare the portafilter by hand while built-in scales, dual boilers and rotary-pump pressure help measure and stabilize the recipe.
$2,499.00
View the Meraki Espresso MachineCheck current availability · 30-day home trial · 2-year warrantyBUYING GUIDANCE
58mm Espresso Machine FAQ
What is a 58mm espresso machine?
It is an espresso machine designed around a portafilter and basket in the 58mm size category. The measurement refers to the approximate brewing diameter, not the overall size or quality of the machine.
Does a 58mm portafilter make better espresso?
Not automatically. Portafilter size affects puck geometry and tool choice, but coffee freshness, grinder quality, dose, distribution, temperature, pressure and yield all influence the result.
Why do professional espresso machines often use 58mm portafilters?
The size is widely established in commercial and prosumer workflows, giving baristas a familiar preparation format and access to many size-specific baskets and tools.
Can I use any 58mm accessory with Meraki?
Do not assume universal fit from the 58mm label alone. Baskets, portafilters and tools can differ in tolerances, ears, depth and shape. Check the current Meraki specification or ask support before buying a third-party accessory.
Does Meraki include a 58mm portafilter?
Yes. The Meraki Espresso Machine is supplied with a 58mm portafilter as part of its hands-on semi-automatic preparation workflow.
Is a 58mm espresso machine good for beginners?
It can be. The size does not determine difficulty. Meraki combines the hands-on portafilter with guided controls and built-in dose and yield scales, helping a beginner see and repeat the main recipe measurements.
Do I need a separate grinder and scale?
No for the standard Meraki workflow. An espresso-focused grinder, dose scale and brew-yield scale are integrated into the machine.
What to Know Before Buying a 58mm Espresso Machine
What the 58mm measurement means
The term describes the approximate diameter of the portafilter basket and brewing area. It does not refer to boiler size, pump pressure or the machine’s outer dimensions. Exact internal dimensions and tolerances can still vary between baskets and manufacturers.
58mm portafilter benefits and limitations
A 58mm format gives home baristas a preparation style commonly associated with commercial and prosumer equipment. It also provides access to a broad category of tampers, baskets and distribution tools. The limitation is that the size label alone does not guarantee universal compatibility or better espresso.
How basket size affects puck preparation
The basket holds the ground coffee in a compact puck. Diameter, depth, hole pattern, dose and coffee distribution all affect how water finds a path through it. Consistent tamping and even distribution remain important regardless of portafilter size.
What matters beyond portafilter diameter
A capable espresso setup also needs an appropriate grinder, stable brewing temperature, controlled pressure and a way to measure dose and yield. Meraki integrates these systems so the 58mm portafilter operates inside a measured workflow rather than as an isolated specification.
Choosing compatible 58mm tools
Confirm the exact product specification before purchasing third-party portafilters, baskets or tampers. Two products described as 58mm may still differ in locking-tab design, basket depth, rim shape or manufacturing tolerance.
Read the educational guide to what a 58mm espresso machine is and why the format matters, or browse Meraki accessories designed for the current system.