Empirical data from test-prep platforms shows diminishing returns after ~120 hours for most students:
On average, most students need between 100 and 120 hours of focused preparation to reach a competitive score. However, those aiming for the elite 700+ range often clock upwards of 150 to 200 hours. The Breakdown of Study Hours how many hours to study for gmat
A 2023 analysis by Target Test Prep of 5,000+ GMAT students found: Total exhaustion leads to diminishing returns
Source: Manhattan Prep, GMAC official data, and Magoosh student analytics (2022–2024). Do not guess; take a full-length, official GMAT
Total exhaustion leads to diminishing returns. If you find your accuracy dropping despite more hours, it’s time for a break.
To estimate your required hours accurately, you must first establish your baseline. Do not guess; take a full-length, official GMAT practice test under timed conditions.