With the JEE Mains 2026 results scheduled to release today, many students maybe confused about how their percentile score is calculated from raw marks. Here’s a simple explanation.

A percentile score is not the same as percentage. It shows how many students you have scored better than in your session. For example, if your percentile is 90, it means you performed better than 90% of the candidates who appeared in your shift.

The National Testing Agency (NTA) calculates percentile using a standard formula. It looks at how many students scored equal to or less than you and divides that by the total number of candidates in your session, then multiplies it by 100. To understand this better, imagine your shift had 1,00,000 students, and 92,000 of them scored less than or equal to you. In this case, your percentile would be 92. This means you performed better than 92% of candidates in your session.

Percentile is used instead of marks because JEE Main is conducted in multiple shifts, and the difficulty level can vary. Using percentile helps normalise scores so that students across different sessions are judged fairly. This is also why two students with the same marks can have different percentiles. If one shift is tougher than another, even similar scores may translate into different percentiles.

Your All India Rank (AIR) is based on your final percentile, not raw marks. A higher percentile generally means a better rank, although tie-breaking rules may also apply in some cases. One important thing to remember is that even a small difference in marks can significantly impact your percentile, especially in higher score ranges. A 100 percentile usually means you are among the top scorers in that session.

In the end, instead of comparing marks with others, it’s better to focus on your percentile and expected rank. That gives a clearer idea of your chances for admission. Understanding percentile calculation may seem tricky at first, but it is all about how you performed compared to others, not just how many marks you scored.