CGPA Calculator

Worked example

3.0 over 30 credits + 4.0 over 15 credits — 3.3333 CGPA

Quick answer

Why are credit hours required?

Cumulative GPA must weight each academic period by the amount of coursework completed.

What is the CGPA Calculator?

Combine an existing cumulative GPA with a new semester GPA using credit-hour weighting. Use it when you have the required inputs and want a deterministic, repeatable result with the calculation method visible.

How to use this calculator

Enter the values requested by the tool, keep units and time periods consistent, resolve any validation message, calculate, then review the primary answer together with the displayed formula and supporting values.

Formula and method

This calculator uses a deterministic formula and shows the calculation breakdown with the result so the answer can be checked.

Worked example

3.0 over 30 credits + 4.0 over 15 credits 3.3333 CGPA

Common mistakes to avoid

Check units, decimal points, percentages, signs, date/time order, selector choices, and rounding. For important decisions, verify the result against an independent source or qualified professional when appropriate.