Free calculators for grades, GPA & attendance

Know where you stand before your teacher marks the paper in red.

Calculate your grade, CGPA, and the exact score you need on your final. Convert GPA to percentage on any scale, check how many classes you can miss to stay above your required attendance, and plan your study hours before exam day. Six free calculators, instant results, no sign-up.

Free, no sign-up Instant results Nothing leaves your device
The tools

Pick the Calculator you need

Grade, CGPA, final exam score, GPA to percentage, study hours, and attendance — six free calculators, each built to answer one specific question.

Single exam

Single Exam & Course GPA Calculator

Enter total, attempted and wrong questions to get your percentage, letter grade, CGPA and pass/fail status — instantly, and live as you type.

  • Correct / wrong / unattempted breakdown
  • Live calculation toggle
  • Copy, print, PNG or share your result
Open GPA Calculator
Whole semester

Multi-Subject CGPA

Add every subject with its credit hours and score, and get one credit-weighted CGPA across your whole course load.

  • Maximum 30 Subject Rows
  • Per-subject grade tag as you type
  • Credit-weighted overall CGPA
Open CGPA Calculator
What's ahead

What Do I Need on the Final?

Tell it your current grade and the final's weight, and it works backward to the exact score you need to hit your target overall grade.

  • Works with any exam weighting
  • Flags targets that are already secured
  • Flags targets that are out of reach
Open Target Calculator
GPA to Percentage

GPA → Percentage | Percentage → GPA

Tell it your current grade or percentage, and it convert GPA to percentage, or convert percentage back to GPA with instant accuracy.

  • GPA to Percentage
  • Percentage to GPA
  • Different International Grading Scale
Open GPA to Percentage Converter
Study Hours Calculator

Study Hours & Schedule Calculator

Turn your exam date, available study days, and topic list into a day-by-day study plan — with weak topics prioritized, practice and review built in, and a readiness estimate.

  • Set your dates & study days
  • Add your topics
  • Generate & follow the plan
Study Hours Calculator
Attendance Calculator

Attendance Percentage Calculator

Check your current attendance, see how many classes you can miss or need to attend, and run what-if scenarios — against any required percentage your institution sets.

  • Calculate Attendance Percentage
  • What-IF Calculator
  • Different Attendance Percent Target
Calculate Attendance Percentage
How GPAConverter works

Your Academic Journey: From Baseline to Final Plan

Select your current goal below to explore how our interactive tools guide your study path.

Establish Your Academic Baseline

Estimate or convert your current academic standing across multiple grading scales before applying to universities or jobs.

Try a Realistic Example CGPA breakdown

Change any grade or credit value and watch the CGPA update.

Sample courses with grade and credits
CourseGradeCredits
Course A
Course B
Course C
Course D
Total credits12
Calculated CGPA3.56 / 4.00
Calculate Your Full CGPA

Determine What You Need Next

Don’t guess your target scores. Determine what score you need on your final exam to reach a target course grade.

Try a Realistic Example Required final score

Drag the sliders to test different targets.

Remaining final exam weight: 40%

Required final exam score95.5%
FeasibilityChallenging but possible!
Calculate Your Target Final Score

Turn Requirements into a Practical Plan

Stay on top of mandatory attendance thresholds and allocate weekly study blocks to reach academic success without burnout.

Try a Realistic Example Attendance safety margin

Change the numbers to match your own class.

Current attendance: 85%

Safety statusSafe
Classes you can safely miss5 classes

Counts upcoming classes, assuming you attend none of them. Your institution’s own rules always apply.

Check Your Attendance Safety Margin
From the blog

Study tips, guides & updates

Fresh reads on grades, GPA, and getting the most out of your study time.

About GPAConverter

Practical academic tools, built for students.

GPAConverter was created to provide free, practical tools that help students calculate and understand GPA, CGPA, grades, attendance, final grades, and study planning.

The site combines interactive calculators with explanations and examples so students can understand not only the number produced by a calculation, but also what that result means and when a conversion may only be a mathematical estimate rather than an official academic equivalency.

  1. Free to use

    Academic tools designed for students.

  2. Clear calculations

    Results are presented with understandable calculations and explanations.

  3. Transparent about limitations

    Mathematical estimates are distinguished from official academic evaluations.