CEFR Ranks
| CEFR | IELTS | TOEFL | duo (sections) | JLPT | CSE | Vocab (15m/w) | Cost(total, 15m/d, 10h/w, 50h/w) | Percentile/Rarity |
|---|---|---|---|---|---|---|---|---|
| A1 | 0-10 (1) | 300 | 80h | <0.1% | ||||
| A1 | 10-20 (2) | 600 | 150h | <0.1% | ||||
| A1 | 20-30 (3) | N5 (初上) | 900 | 200h, 7m, 1.5m, 1w | <0.1% | |||
| A2 | 30-55 (4) | N4（初下） | 中考 高分 | 1600 | 400h, 14m, 2.5m, 2w | 0.1% / 740 | ||
| B1 | 4.0 | 14-25 | 55-65 (4) | N3 (中上) | 高考 120 | 3500 | 850h, 2.5y, 5m, 1m | 1% / 101 |
| B1+ | 4.5 | 26-26 | 65-80 (5) | N2 (中下) | 过四级 | 4000 | 10% / 10 | |
| B1+ | 5.0 | 37-41 | 80-90 (6) | N2 (中下) | 四级 500 分 | 4500 | 25% / 4 | |
| B2 | 5.5 | 42-59 | 95-100 (6) | N2 (>112) | 过五级 | 5000 | 1300h, 3y, 6m, 1.5m | 50% / 2 |
| B2+ | 6.0 | 60-78 | 105-110 (7) | N1 (高) | 过六级 | 6000 | 75% / 4 | |
| B2+ | 6.5 | 79-93 | 120-125 (8) | N1 (<142) | 雅思 IELTS | 7000 | 95% / 20 | |
| C1 | 7.0 | 94-101 | 130-135 | N1 (>142) | 托福 TOEFL | 8000 | 2000h, 5y, 1y, 3m | 98% / 43 |
| C1+ | 7.5 | 102-109 | 140-145 | 过七级 | 10000 | 99.9% / 740 | ||
| C2 | 8.0 | 110-117 | 150-155 | GRE (过八级) | 12000 | 3000h, 8y, 1.5y, 6m | >99.9% |
- 15 mins per word learning rate, 3.5 leximes per word, each lexime cost about 4 minutes.
- Cost: total, 15 mins per day or 2 hours per week, 10 hours per week, 50 hours per week
- 新手 🔰 普通, top 90%
- 业余 🥉 青铜, top 75%
- 专业 🥈 白银, top 50%
- 专家 🏆 黄金, top 25%
- 大师 💎 钻石, top 10%
- 宗师 👑 皇冠, top 1%
- 传奇 🦄 传奇, top 0.1%
