Calculators & Finance

Grade Calculator

Calculate percentages and grades in Thai at 8 levels. View points that need to be increased to reach target grades, along with calculating weighted GPA for multiple subjects and including original cumulative GPA.

Calculate grades/scores

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Short user manual

Calculate grades, scores, and weighted GPA.

Check percentage and course grade See how many points you need to raise to reach your goal. Or combine multiple subjects by credits to find new semester GPA and cumulative GPA on one page.

Highlights of this tool

  • Supports 8 Thai grades and international grades.
  • Calculate credit-weighted multi-subject GPA.
  • Can include GPA and previous accumulated credits.

How to use Grade Calculator

  1. 1Choose to calculate course grades or GPA.
  2. 2Enter scores or add courses, credits, and grades.
  3. 3Check results, target grades, and GPA summary

Frequently asked questions

What grading criteria are used?

The default values are A 80, B+ 75, B 70, C+ 65, C 60, D+ 55, D 50 and F below 50, but you should check your institution's criteria.

Do S/U subjects count towards GPA?

In this tool, S's and U's are not taken into account when calculating GPA as is commonly used.