How to Use a 58mm Portafilter with a Dosing Cup
By Bella Barista | Published: 2026-10-30
Category: How-to Guides
Learn to pair a 58mm portafilter with a coffee dosing cup for a cleaner, more consistent espresso workflow. Step-by-step guide with common mistakes.
Quick Answer
Using a 58mm portafilter with a dosing cup reduces mess and improves dose consistency. The key is to grind directly into the cup, then transfer evenly to the portafilter without spilling.
Why Use a Dosing Cup with a 58mm Portafilter?
A dosing cup catches grounds directly from your grinder, eliminating the need to hold a portafilter under the chute. With a 58mm portafilter, the wide basket fits most dosing cups snugly, making transfer simple and reducing waste.
The MHW-3BOMBER BeanBoat Coffee Bean Dosing Cup features a stable triangular base that won't tip over during grinding. Its lightweight yet durable design suits both home and professional use.
Choosing the Right Dosing Cup for Your 58mm Portafilter
Not all dosing cups fit every 58mm portafilter. Look for a cup with a wide enough opening to sit on top of the basket without rocking. The BeanBoat's isosceles triangle shape aligns well with standard 58mm baskets.
If you have a Lelit Coffee Slide Portafilter with a 58mm double basket, the dosing cup should sit flush on the rim. Some portafilters with deep baskets may require a cup with a slightly wider lip.
Step-by-Step Guide
- 1. Grind directly into the dosing cup: Place the dosing cup under your grinder's chute and grind the desired amount of coffee. Use a scale to ensure dose accuracy. Common mistake: grinding into an unstable cup can cause spills. The BeanBoat's triangular base keeps it steady.
- 2. Transfer coffee to the portafilter: Hold the dosing cup over your 58mm portafilter basket and gently pour or tap the grounds in. Use a distribution tool or finger to level the bed. Common mistake: dumping too quickly can create uneven grounds. Tap lightly to settle the coffee before leveling.
- 3. Tamp and prepare for extraction: Tamp the coffee evenly with a 58mm tamper. Wipe any stray grounds from the basket rim, then lock the portafilter into your espresso machine. Common mistake: forgetting to wipe the rim can cause a poor seal and channeling. Always clean the rim before locking in.
Product Facts
- MHW-3BOMBER BeanBoat Coffee Bean Dosing Cup: Stable Triangle Lightweight & Durable – Designed for professional baristas and home brewers, this dosing cup combines aesthetics and functionality. The stable base prevents tipping during grinding, and the lightweight build makes it easy to handle during transfer to your portafilter.

MHW-3BOMBER BeanBoat Coffee Bean Dosing Cup
