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

Q: 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.

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

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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: 2026-06-23 · 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.

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.

Indian Institute of Technology Madras (IIT Madras) Conversion by graduation date

IIT Madras changed its conversion formula for students graduating from 11 November 2020. Choose the option matching your graduation date:

Graduation date	Conversion	Notes
Graduated from 11.11.2020 onwards	% = CGPA × 10	Senate-approved. Example: CGPA 8.5 → 85%.
Graduated up to 10.11.2020	% = 55 + 10 × (CGPA − 6)	Equivalent to (CGPA × 10) − 5. Example: CGPA 8.5 → 80%.

How CGPA is calculated at Indian Institute of Technology Madras (IIT Madras)

Your CGPA is a credit-weighted average of your grade points across all semesters. In short:

Each course is given a letter grade carrying grade points on the 10-point scale.
Multiply each course's grade points by its credits to get credit points.
Sum the credit points and divide by total credits to get the CGPA (credit-weighted average).
If you graduated from 11.11.2020 onwards, multiply the CGPA by 10.
If you graduated up to 10.11.2020, compute 55 + 10 × (CGPA − 6) — equivalently (CGPA × 10) − 5.

Worked example. Applying % = CGPA × 10 (graduated 11.11.2020 onwards); 55 + 10×(CGPA − 6) for earlier graduates, a CGPA of 8.5 converts to 85%.

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.

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.

Which batch should I select for Indian Institute of Technology Madras (IIT Madras)?

Pick the row matching your passing-out year or regulation in the selector above — Indian Institute of Technology Madras (IIT Madras) changed its conversion across batches, so the right selection keeps the percentage accurate.

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