Preparation time depends on your learning pace, study habits, and prior experience with Chinese. Consistency and commitment make a big difference.

That said, here are official word count benchmarks and typical study timelines: 

• HSK 1: 150 words → ~2–3 months 

• HSK 2: 300 words → ~3–4 months 

• HSK 3: 600 words → ~6 months 

• HSK 4: 1,200 words → ~8–10 months 

• HSK 5: 2,500 words → ~1–1.5 years 

• HSK 6: 5,000+ words → ~1.5–2 years 

• HSK 7–9: 11,000+ words → ~2–3+ years of intensive study