How many beans does the 1Zpresso J-Ultra hold?

Up to 1.2–1.4 oz (35–40 g) in the hopper.

1Zpresso J-Ultra

Manual grinder

48 mm burrs · Stepped · 1.5 lb (670 g)

Taiwan · 12 grinders here · 1zpresso.coffee

48 mm burrs
Larger than 68% of hand grinders.
Stepped adjustment
Clicks between fixed settings.
Travel-friendly
Weighs 1.5 lb (670 g).

The 1Zpresso J-Ultra is a manual coffee grinder with 48 mm burrs. Grind size is set in fixed steps. It weighs 1.5 lb (670 g). It holds 1.2–1.4 oz (35–40 g) of beans.

Specs checked Sep 26, 2026 against 2 sources.

Specifications

Basics

: Manual
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Burrs

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: 48 mmLarger than 68% of hand grinders
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Grinding

: Stepped
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: 8 microns per click
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Capacity & size

: 1.2–1.4 oz (35–40 g)Larger than 74% of hand grinders
: 1.5 lb (670 g)About average for hand grinders
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Quick answers

What burrs does the 1Zpresso J-Ultra use?: 48 mm burrs.
Is the 1Zpresso J-Ultra stepless?: No. It has stepped settings.
How much does the 1Zpresso J-Ultra weigh?: 1.5 lb (670 g).
How many beans does the 1Zpresso J-Ultra hold?: Up to 1.2–1.4 oz (35–40 g) in the hopper.