🎣 Universal Fishing Hook Size Comparison Chart
| EU/US Size | Japanese Size (BKK/Owner) | Wire Gauge (mm) | Approx. Gap (mm) | Typical Use / Fish |
|---|---|---|---|---|
| #32 | #32 | ~0.25 | ~3–4 | Microscopic fish, fry |
| #24 | #24 | ~0.30 | ~4–5 | Micro panfish, bleak |
| #20 | #20 | ~0.35 | ~5–6 | Small roach, perch |
| #16 | #16 | ~0.45 | ~6–7 | Bloodworm, match fishing |
| #12 | #12 | ~0.55 | ~7–8 | Maggots, worms |
| #10 | #10 | ~0.60 | ~8–9 | Worms, small soft lures |
| #8 | #8 | ~0.65 | ~9–10 | Trout, zander, chub |
| #6 | #6 | ~0.70 | ~10–11 | Small baitfish |
| #4 | #4 | ~0.75 | ~11–12 | Medium baitfish, zander |
| #2 | #2 | ~0.80 | ~12–14 | Larger bait, livebait fishing |
| #1 | #1 | ~0.85 | ~14–15 | Zander, pike, sea bass |
| 1/0 | 17 | ~0.95 | ~16–18 | Pike, predator lures |
| 2/0 | 18 | ~1.05 | ~18–20 | Livebait, catfish |
| 3/0 | 19 | ~1.15 | ~20–22 | Pike, saltwater predator |
| 4/0 | 20 | ~1.25 | ~22–24 | Pike, cod, big lure rig |
| 5/0 | 21 | ~1.35 | ~24–26 | Strong predatory setups |
| 6/0 | 22 | ~1.45 | ~26–28 | Heavy lures, saltwater |
| 7/0 | 23 | ~1.55 | ~28–30 | Giant baits, catfish |
| 8/0 | 24 | ~1.65 | ~30–33 | Large catfish, tuna |
| 10/0 | 26 | ~1.80+ | 35mm+ | Sharks, deep sea monsters |