Indian Institute of Technology Madras (IIT Madras)
CGPA to percentage

Quick answer: At Indian Institute of Technology Madras (IIT Madras), a CGPA of 8.5 is about 85%, using the official formula % = CGPA × 10 (graduated 11.11.2020 onwards); 55 + 10×(CGPA − 6) for earlier graduates. (official source) Last verified 2026-07-19.

Indian Institute of Technology Madras (IIT Madras) — CGPA → %

CGPA (out of 10)

→

Percentage

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Formula: % = CGPA × 10 (graduated 11.11.2020 onwards); 55 + 10×(CGPA − 6) for earlier graduatesSource: IIT Madras Senate-approved CGPA-to-Percentage Conversion certificate, F.No. Acad/Cert./2025 (01-12-2025), Dean (Academic Courses)Status: verifiedLast verified: 2026-07-19

Always confirm against your official grade card / university circular before using for applications.

How Indian Institute of Technology Madras (IIT Madras) converts CGPA to percentage

Indian Institute of Technology Madras (IIT Madras) (Tamil Nadu) uses the formula % = CGPA × 10 (graduated 11.11.2020 onwards); 55 + 10×(CGPA − 6) for earlier graduates to convert a 10-point CGPA into a percentage for transcripts, job applications and higher studies. Enter your CGPA above to convert it instantly.

Worked example

Take a CGPA of 8.5 on the 10-point scale. Applying the official Indian Institute of Technology Madras (IIT Madras) formula % = CGPA × 10 (graduated 11.11.2020 onwards); 55 + 10×(CGPA − 6) for earlier graduates gives a percentage of about 85%. Change the CGPA in the calculator above and the percentage updates instantly using this same formula — no rounding shortcuts.

Why the formula matters

It's tempting to assume CGPA × 10 everywhere, but that's only right for some universities. Indian Institute of Technology Madras (IIT Madras) uses % = CGPA × 10 (graduated 11.11.2020 onwards); 55 + 10×(CGPA − 6) for earlier graduates, so a generic multiplier would give a different — and wrong — number on your application. Using the official conversion is what keeps your percentage defensible if an admissions office or employer asks how you calculated it.

About Indian Institute of Technology Madras (IIT Madras)

The Indian Institute of Technology Madras (IIT Madras) is an Institute of National Importance in Chennai, Tamil Nadu, established in 1959 with German technical collaboration. Consistently ranked India's top engineering institute in the NIRF rankings, it offers B.Tech, dual-degree, M.Tech, M.S., MBA, M.Sc and Ph.D programmes on a 10-point credit-based grading system.

Address: IIT P.O., Chennai – 600036, Tamil Nadu, India.

Source & verification

IIT Madras uses two Senate-approved formulas by graduation date. Graduated from 11.11.2020 onwards: Percentage = CGPA × 10 (CGPA 8.5 → 85%). Graduated up to 10.11.2020: Percentage = 55 + 10 × (CGPA − 6), which simplifies to (CGPA × 10) − 5 (CGPA 8.5 → 80%). Pick the option matching your graduation date. Note: IIT Madras does NOT use ×9.5 — recent graduates use plain ×10.

Comparing universities? See the full CGPA to percentage directory or calculate your CGPA first with the CGPA calculator.

Frequently asked questions

What percentage is 8.5 CGPA at Indian Institute of Technology Madras (IIT Madras)?

Using the official formula % = CGPA × 10 (graduated 11.11.2020 onwards); 55 + 10×(CGPA − 6) for earlier graduates, a 8.5 CGPA is about 85% at Indian Institute of Technology Madras (IIT Madras). Enter any CGPA in the calculator above for an instant result.

Does Indian Institute of Technology Madras (IIT Madras) use CGPA × 10?

Indian Institute of Technology Madras (IIT Madras)'s official conversion is % = CGPA × 10 (graduated 11.11.2020 onwards); 55 + 10×(CGPA − 6) for earlier graduates. So no — a plain ×10 would give the wrong number for this university.

Is this Indian Institute of Technology Madras (IIT Madras) conversion official?

The formula here is recorded from Indian Institute of Technology Madras (IIT Madras)'s published source and shown above with its verification status and the date last checked. Your transcript remains the authoritative document — this tool reproduces the university's own method.

Indian Institute of Technology Madras (IIT Madras)CGPA to percentage