American colleges compress four years of effort into a single number between 0 and 4, and that number opens or closes doors — scholarships, internships, graduate school. The GPA is a weighted average: each course grade (A = 4, B = 3, C = 2, D = 1, F = 0) multiplied by its credit hours, summed, then divided by total credits. A 4-credit chemistry A outweighs a 1-credit lab B, which is exactly why credit hours exist in the formula.

Consider a semester with three courses: an A in 4-credit calculus (16 grade points), a B in 3-credit history (9 points), and a C in 3-credit chemistry (6 points). That is 31 points over 10 credits — a 3.1 GPA. The same grades with different credit splits would give a different GPA, so the weights matter as much as the letters.

This calculator handles up to three courses per run. Enter each Grade (0–4) and its Credits, and the GPA result appears instantly. Pre-med students tracking the 3.7+ their programs expect, or freshmen checking whether they are still above a scholarship's 3.0 cutoff, get the answer in seconds.

With the pre-filled defaults — Grade 1 (0-4) 4, Credits 1 3, Grade 2 (0-4) 3.7, Credits 2 3, Grade 3 (0-4) 3, Credits 3 4 — the GPA Calculator returns GPA 3.510, Total Credits 10, Total Quality Points 35.10. Change any input and those results update instantly, so you can see exactly how each number you enter moves the answer.