cgpa-calc 1.0.0

A lightweight Python library for calculating GPA, CGPA, and SGPA. Supports 4.0 and 5.0 grading scales.

CGPA Calculator

A lightweight JavaScript library for calculating GPA (Grade Point Average), CGPA (Cumulative GPA), and SGPA (Semester GPA).

Try the online version at gpacalc.app

Installation

npm install cgpa-calculator

Quick Start

const { calculateGPA, calculateCGPA, gpaToLetter } = require('cgpa-calculator');

// Calculate semester GPA
const gpa = calculateGPA([
  { grade: 'A', credits: 4 },
  { grade: 'B+', credits: 3 },
  { grade: 'A-', credits: 3 },
  { grade: 'B', credits: 2 }
]);

console.log(gpa); // 3.58
console.log(gpaToLetter(gpa)); // 'B+'

API

calculateGPA(courses, options?)

Calculate GPA from a list of courses.

const gpa = calculateGPA([
  { grade: 'A', credits: 3 },
  { grade: 'B', credits: 4 }
], { scale: '4.0' });

Parameters:

• courses - Array of { grade: string | number, credits: number }
• options.scale - Grading scale: '4.0' (default) or '5.0'

calculateCGPA(semesters, options?)

Calculate cumulative GPA across multiple semesters.

const cgpa = calculateCGPA([
  [{ grade: 'A', credits: 3 }, { grade: 'B', credits: 4 }],
  [{ grade: 'A-', credits: 3 }, { grade: 'B+', credits: 3 }]
]);

calculateSGPA(courses, options?)

Alias for calculateGPA. Calculate a single semester's GPA.

percentageToGPA(percentage, scale)

Convert percentage score to GPA.

percentageToGPA(85, '4.0'); // 3.5
percentageToGPA(92, '5.0'); // 5.0

gpaToLetter(gpa)

Convert numeric GPA to letter grade.

gpaToLetter(3.5); // 'B+'
gpaToLetter(4.0); // 'A'

getGradePoint(grade, scale)

Get the numeric value for a letter grade.

getGradePoint('A', '4.0'); // 4.0
getGradePoint('B+', '5.0'); // 4.0

Supported Grade Scales

4.0 Scale

Grade	Points
A+/A	4.0
A-	3.7
B+	3.3
B	3.0
B-	2.7
C+	2.3
C	2.0
C-	1.7
D+	1.3
D	1.0
F	0.0

5.0 Scale

Grade	Points
A+/A	5.0
A-	4.5
B+	4.0
B	3.5
C+	2.5
C	2.0
D	1.0
F	0.0

Online Calculator

For a visual, interactive GPA calculator, visit gpacalc.app.

License

MIT