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Published: 2026-08-30Last updated: 2026-08-19By Davide Coronese

GPA Calculator — Weighted & Unweighted

Add courses with grades and credits — get weighted, unweighted and cumulative GPA on 4.0 or 30 e lode scale.

FormulasVerified source
GPA = Σ(grade×credits)/Σcredits | 30L=31

6cr counts double 3cr. Weighted vs plain average.

GPA weighted and Italian 30 e lode

GPA weights grades by credits: grade×credits summed divided by total credits. 30L=31 IT, A=4.0 US. Weighted prevents low-credit elective skew.

TL;DR

  • Points = grade×credits per course
  • Formulas: GPA = Σ(grade×credits)/Σcredits | 30L=31
  • 30,27,24 credits

How it works

Points = grade×credits per course. Sum points / sum credits → GPA. Detect scale by grade size, show both.

The math

30(6cr)27(9cr)24(6cr): points567/21=27.0/30 (3.43/4.0). A4.0(3cr)+B3.0(4cr): (12+12)/7=3.43.

6cr counts double 3cr. Weighted vs plain average.

Examples

30,27,24 credits

  1. GPA 27.0/30
  2. 3.43/4.0

A+B

  1. GPA 3.43

When to use it

University

Degree final grade.

Abroad

Convert IT→US.

⚠ Common mistakes

  • Plain average without credits
  • 30L as 30 not 31

FAQ (6)

Weighted vs unweighted?

Weighted divides by credits; unweighted is plain average. Use weighted for degree final grade.

How to convert 30 to 4.0?

30→4.0, 28→3.7, 26→3.3. Tool shows both so you can apply abroad.

Are the calculations performed on CalcTracker safe for my privacy?

Yes, all calculations on CalcTracker run exclusively on your local device within the web browser. None of the entered data is sent to external servers or stored remotely. The application is entirely offline-first.

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Our calculators use standard mathematical formulas and verified equations. However, for critical financial, banking, or tax decisions (such as exact car tax or net salary calculations), we always advise consulting with a certified professional or referencing official government portals.

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Simply click the "Share Link" button located in the results panel after performing a calculation. The values entered into the form will be encoded directly into the URL query parameters, allowing anyone who opens the link to see the exact same results instantly.

Sources & References

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