Made for focus
Answers before distractions
Every tool opens directly to the calculator, works on phones, and updates as you type. No accounts, no pop-ups, and no steps between you and the number you came for.
Grades, without the guesswork
Know where you stand. Plan what’s next.
Fast, focused calculators for every grade question—from today’s average to the score you need on your final.
100% freeNo accountYour data stays on device
11 focused calculators
Pick the question you need answered
Open tool →
Grade Calculator
Add your assignments and see your current grade update instantly. No sign-up, no saved data, just a clear answer.
Open tool →Final Grade Calculator
See the exact final exam score you need—and whether your target is still mathematically possible.
Open tool →Weighted Grade Calculator
Combine category grades with different weights and see your overall course grade as you type.
Open tool →GPA Calculator
Estimate your GPA on a standard 4.0 scale, weighted by each course’s credit hours.
Open tool →Test Grade Calculator
Turn correct answers into a percentage and letter grade in one step.
Open tool →EZ Grader
Grade a test instantly and generate a complete score chart for every possible number wrong.
Open tool →Percentage Grade Calculator
Convert any points-based score into a percentage and common letter grade.
Open tool →Semester Grade Calculator
Combine your quarter grades and the final exam into one semester grade, using your school’s own weighting.
Open tool →High School GPA Calculator
See your weighted and unweighted high school GPA side by side, with honors and AP bonus points applied.
Open tool →Grade Curve Calculator
Compare the three common curving methods on the same score before you commit to one.
Open tool →Grading Scale Chart
The percentage range behind every letter grade, and what each one is worth on a 4.0 scale.
Private by design
Calculations stay in your browser
GradeKit has no database, login, or external calculation service. The numbers you enter are processed only on your device — the full detail is in the privacy policy.
Show your work
Every formula is published
Each page states the exact formula it uses and walks through a worked example, so you can check the arithmetic by hand. The letter-grade cutoffs are listed on the grading scale chart.
Free, and staying free
How GradeKit is funded
The calculators are free with no ads in the way of the result. A small number of links to third-party study tools may earn a commission, disclosed on the affiliate disclosure page.