AeroPress Grind Size: Fine, Medium, or Coarse?
AeroPress works with a wide range of grind sizes — from medium-fine to coarse — because brew time compensates for grind changes. The right grind depends on your target recipe and brew time.
⚡ Quick Answer
Medium-fine to medium grind (finer than pour-over, coarser than espresso) works for most AeroPress recipes with 1–2 minute brew times. Coarser grinds need longer brew times (2–4 minutes). Finer grinds (approaching espresso) need very short brew times (30–60 seconds) and more pressure. AeroPress is the most grind-forgiving brewer — small grind changes are easily compensated by adjusting brew time.
🎯 Key Takeaway: Start at medium-fine for 1–2 minute brews. If bitter → grind coarser or shorten time. If weak/sour → grind finer or extend time. AeroPress is very forgiving of imprecision.
⚙️ Grind Size by Recipe Style
Fine (approaching espresso)
30–60 sec brewVery concentrated, espresso-style output. Short brew time to prevent over-extraction. Works best with inverted method or when pressing very slowly. High pressure, strong cup.
Medium-fine ✓ Standard starting point
1–2 min brewBest all-around starting grind. Similar to filter coffee but slightly finer. Works with standard and inverted methods. Produces balanced, full-bodied cup. Baratza Encore: settings 12–18.
Medium-coarse (pour-over range)
2–4 min brewUsed in longer steep recipes and the Hoffmann-style AeroPress method. Cleaner cup, lighter body. Needs extended contact time to fully extract. Similar to pour-over or drip.
✅ Why AeroPress Is Grind-Forgiving
Unlike espresso (where 0.1g grind changes matter) or pour-over (where grind affects drain rate), AeroPress gives you two extra control knobs: brew time and press pressure. This means:
- • A grind that's slightly too fine can be fixed by shortening brew time
- • A grind that's slightly too coarse can be fixed by extending brew time
- • The press pressure itself affects extraction rate and final flavor
- • This is why AeroPress World Championship recipes vary wildly in grind size