Conversion Calculators: Translating Between Grading Systems and International Scales

These tools convert between percentages, GPAs, letter grades, and international grading systems. If you are applying to universities abroad, transferring credits between countries, or trying to understand how your grades compare across different standards, this is where you find the right calculator.

The Percentage to GPA Calculator and GPA to Percentage Calculator convert in both directions between percentage grades (0–100%) and GPA values on any scale. Different countries and institutions use different conversion formulas, so these calculators show multiple methods side by side. You can select the formula that matches your transcript or the one required by the institution you’re applying to.

The Percentage to Letter Grade Calculator outputs letter grades in four systems at once: US (A+ through F with plus/minus), UK (First, 2:1, 2:2, Third), ECTS (A through F with FX), and Australian (HD, D, CR, P, NN). A percentage score of 78% means different things depending on where it’s evaluated. In the US, that’s typically a C+. In the UK, it falls under First Class, the highest classification. This calculator shows all four interpretations simultaneously so you understand your standing in each context.

The Letter Grade to GPA Calculator converts letter grades from multiple courses into a GPA. This is useful when your transcript lists letters (A, B+, C-) but an application asks for GPA, or when you’re calculating GPA from a grading system that uses letters rather than numeric scores.

The GPA to Letter Grade Calculator works in reverse, converting your GPA to letter grades across the four international schemes. It also includes the 70% boundary insight that often surprises students: a 2.80 GPA (exactly 70%) is C- in the US but First Class in the UK. Both thresholds are set at 70%. The systems attach different labels to the same underlying percentage.

For international applications, the UK and European conversion tools are heavily used. The US GPA to UK Degree Classifications Calculator shows which UK classification band (First, 2:1, 2:2, Third) your GPA falls into, and includes a table of the specific GPA minimums that Oxford, UCL, and Cambridge publish for US applicants. The UK Degree Classification to US GPA Calculator converts in the opposite direction, useful for UK students applying to US graduate programs.

The GPA to ECTS Calculator converts GPA to the European Credit Transfer System grades (A, B, C, D, E, FX, F) used across European universities. ECTS grades are technically relative (top 10% get A, next 25% get B), but many institutions apply fixed percentage thresholds, which the calculator shows.

The GPA to A-Level Calculator translates US GPA to the UK A-Level grading system (A*, A, B, C, D, E, U), used for secondary education. The GPA to WAM Calculator converts GPA to Weighted Average Mark, the system used by Australian universities, which weights courses differently based on year level.

For students whose institutions use CGPA (common in India, Pakistan, and other South Asian countries), the GPA-to-CGPA Calculator converts between CGPA and GPA. CGPA is typically on a 10-point scale, whereas GPA in North America is on a 4.0 scale.

Standardized test score conversions are frequently needed for college admissions and scholarship applications. The SAT Score to GPA Calculator, ACT Score to GPA Calculator, and AP Score to GPA Calculator estimate GPA equivalents for these test scores. Note that these are approximations; most colleges evaluate test scores and GPA separately rather than converting one to the other. Still, scholarship databases sometimes request GPA equivalents for standardized test performance.

The Scholarship Calculator checks eligibility for merit scholarships based on GPA, test scores, and other academic criteria. Many scholarships set minimum thresholds, such as “3.5 GPA and 1300 SAT” or “top 10% of class.” This calculator cross-checks your credentials against common scholarship requirements and shows which thresholds you meet.

When to use Conversion Calculators:

  • You are applying to universities in a different country and need to convert your grades
  • Your transcript uses percentages, but an application asks for a GPA
  • You want to see what your GPA means as a letter grade in multiple grading systems
  • You are a UK student applying to US graduate programs or vice versa
  • You need to convert SAT, ACT, or AP scores to GPA equivalents for scholarship applications
  • You are checking whether your academic credentials meet scholarship minimum requirements

The conversion tools work best when used together. A typical workflow: calculate your course percentage with the Grade Calculator, convert that percentage to a letter grade using Percentage to Letter Grade, then see what GPA that letter represents with Letter Grade to GPA. Or if you’re applying internationally: calculate your GPA with GPA Calculator, convert it to UK classifications with US GPA to UK, and verify it meets the university’s published minimum.

You are applying internationally and need to convert UK degree classifications to US GPA, or vice versa. Or you’re staring at a syllabus during finals week, trying to figure out exactly what score you need on that last exam.