While the V60 01 may be the clear choice for single cup brewing aficionados for its top notch extraction, the V60 02 is still the go to winner among the most home brewers for its extraction versatility. This is not only about the capacity though. A single dose of coffee is going to behave differently in each size, affecting rest depth, flow rate, and ultimately the flavor. What matters is that the 02 does 15–40g doses and the 01 is great for 12–20g.
Choose poorly and you will be fighting the pour over physics. Hario V60 is an indicator of its shape. V for the cone shape and 60 for the cone angle which is 60 degrees and is the same for all the sizes. The numbers 01, 02, 03 simply show their capacity and not the design or quality differences. Extraction quality is deeply impacted by size but the two brewers have the same spiral ribs and the same big drain hole.
Exact specifications reveal meaningful differences
The V60 01 brews 1–2 cups (Hario defines a “cup” as 150ml), with practical capacity around 300ml maximum. Physical dimensions vary by material–plastic measures 115mm wide by 82mm tall, ceramic runs slightly larger at 119mm wide. Recommended coffee dose: 12–20g, with 15g to 250ml water being the sweet spot.
The V60 02 handles 1–4 cups, practically maxing out around 600ml for optimal extraction. Dimensions expand to approximately 137mm wide by 102mm tall in plastic. This size accommodates 18–40g doses, with most recipes targeting 20–30g coffee to 300–500ml water.
| Specification | V60 01 | V60 02 |
|---|---|---|
| Capacity | 1–2 cups (300ml) | 1–4 cups (600ml) |
| Coffee dose | 12–20g | 18–40g |
| Water range | 150–360ml | 250–700ml |
| Width (plastic) | 115mm | 137mm |
| Height (plastic) | 82mm | 102mm |
Filter cross-compatibility works in one direction
V60 02 filters work perfectly in the 01 dripper–simply fold the excess paper over the rim before pre-wetting. Multiple users confirm this technique produces identical results to size-matched filters. This matters because 02 filters dominate retail availability; they’re the “standard” size stocked in most coffee shops and grocery stores.
Using 01 filters in the 02 dripper creates real problems. The filter won’t reach the dripper’s top edge, causing water and grounds to bypass filtration entirely if you pour too high. Grounds escape into your cup, and the smaller filter makes extraction unpredictable. Home-Barista forum consensus: “You cannot really use a smaller filter in a larger device because if the water line goes above the filter, the water and grounds could bypass the filter.”
The practical recommendation from the specialty coffee community: buy 02 filters regardless of which dripper you own. They’re easier to find, work in both sizes with minor adjustment, and provide more brewing flexibility.
Why brewing small batches in the 02 underperforms
Scott Rao, whose V60 techniques influenced an entire generation of baristas, explicitly recommends against doses under 20–22g in the V60 02. His reasoning: “smaller doses require finer grinds (more fines = more bitterness) and average extraction temperature is lower in smaller brews.”
The core issue is bed depth–the vertical height of coffee grounds in the dripper. Jonathan Gagné, author of “The Physics of Filter Coffee,” identifies bed depth as a brewing variable you “cannot easily compensate for by changing other brew variables.” A 15g dose in the V60 02 creates a shallow bed prone to channeling and uneven extraction. The same 15g in the 01 produces a deeper bed with more forgiving flow characteristics.
Barista Hustle and SCA guidelines recommend bed depths of 25–50mm for optimal extraction. The 60-degree cone angle is indeed consistent across all authentic V60 sizes–this has been confirmed by multiple sources. But the same dose creates different bed depths in different drippers, which is why size selection matters more than many realize.
Can you brew 200–300ml in a V60 02? Yes–many home brewers do this daily. But expect taste differences: small batches in the 02 often produce sweeter, fruitier cups with less complexity compared to properly-scaled brews. For dedicated single-cup brewing, the 01 is simply optimized for the task.
The bed depth theory changing how baristas think
Bed depth theory explains why dose-to-dripper matching matters. A thicker coffee bed offers greater resistance to water flow (Darcy’s law), reduces channeling risk, and improves filtration of bitter compounds. Gagné’s preferred bed depth sits around 17–23mm for pour-over; Rao targets 50mm (requiring 22g in a V60 02).
When experienced brewers report “watery” or “thin” results from small doses in the 02, bed depth is typically the culprit. The larger drainage hole compounds this–water flows through faster, spending less contact time with grounds. One Home-Barista user noted: “My brew using 12 grams tastes watery on the #2 dripper.”
Spout-to-bed distance is a secondary but real factor. The taller 02 dripper positions your kettle spout further from the grounds, increasing water impact force and agitation. Lower pours produce gentler, more controlled extraction. This is easier to manage with the 01’s shorter profile.
Forum debates reveal consistent taste patterns
Reddit’s r/coffee and Home-Barista forums contain years of 01 vs 02 discussions with consistent findings. The 01’s smaller drainage hole creates more restriction, producing typical brew times of 2:30–3:00 minutes. The 02’s larger hole allows faster flow, often requiring finer grinds to hit target brew times.
Users who’ve tested both sizes with identical doses report:
- The 01 produces “more even” extraction with doses under 18g
- The 02 can taste “flat” or “watery” with small doses
- Taste differences are most noticeable with light roasts
- Technique adjustments (grinder settings, pour rate) can partially compensate
The Pourover Project summarizes the physics: “For a modest single-serve 12g brew in size 01, when replicated on a size 02 will encounter a taller rim, more outspread spiralled ridges, a larger drainage hole, and a greater thermal mass. These add up to affect the taste.”
Plastic outperforms ceramic for heat retention
This counterintuitive finding is confirmed by blind taste tests and thermal measurements. Plastic’s low thermal mass means it heats quickly without “stealing” energy from your brew water. Ceramic conducts heat 20–25x faster than plastic, absorbing significant thermal energy during brewing.
Vibrant Coffee Roasters’ blind testing found “unanimous agreement that the plastic brew was better. Juicier, sweeter, more character.” Andytown Coffee’s 18-brew experiment measured plastic finishing 2–4°F warmer than ceramic. Both James Hoffmann and Scott Rao publicly recommend plastic V60s for this reason.
All V60 materials available:
- Plastic (polypropylene or SAN resin): Best heat retention, ~$10, sizes 01/02/03
- Ceramic (Arita porcelain): Premium aesthetics, requires preheating, sizes 01/02 only
- Glass (borosilicate): Visual brewing, neutral taste, sizes 01/02/03
- Stainless steel: Durable, travel-friendly, size 02 only
- Copper: Highest thermal conductivity, ~$65+, size 02 only
One caveat: clear plastic V60s (SAN resin) are rated only to 92°C and can crack from thermal stress with boiling water. The opaque polypropylene versions handle temperatures up to 130°C safely.
Conclusion: Match your dripper to your brewing habits
The V60 02 earned its reputation as the “Goldilocks” option–it’s versatile enough to brew anything from a single cup to two large mugs. Most recipes, tutorials, and competition techniques target this size. If you’re uncertain, the 02 is the safer choice.
But the 01 isn’t obsolete. For dedicated single-cup brewers using 12–18g doses, it provides optimal bed depth, more precise pour control, and extraction characteristics specifically suited to smaller batches. Scott Rao’s minimum 20–22g recommendation applies to the 02; the 01 handles smaller doses gracefully.
The real insight from this research: size selection is a brewing variable, not just a capacity choice. The same dose behaves differently in each dripper, affecting flow rate, bed depth, heat retention, and extraction uniformity. Choose based on your typical brew volume, and consider plastic regardless of size–it’s the material the experts actually use.