All Tools
Every free calculator, converter, guide, and reference page on Gradeculator — organised by category. No sign-up required; all tools run instantly in your browser. Last updated June 2026.
Calculators 14
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GPA Calculator
Calculate your semester GPA from course grades and credit hours.
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Weighted GPA Calculator
Account for honors, AP, and IB course weights in your GPA.
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Cumulative GPA Calculator
Combine multiple semesters into a running cumulative GPA.
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Middle School GPA Calculator
Calculate an unweighted 4.0 GPA from middle school course grades.
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Final Grade Calculator
Find the exam score you need to hit your target course grade.
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Test Grade Calculator
Convert a raw score (right out of total) to a percentage and letter grade.
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Semester Grade Calculator
Enter weighted categories to see your current overall course grade.
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Points-Based Grade Calculator
Calculate your grade from raw point totals across all assignments.
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Raise GPA Calculator
Find the term GPA you need across remaining credits to hit a target.
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Grade Curve Calculator
Curve test scores by adding points, scaling to 100, or a square-root curve.
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Attendance Calculator
See how many classes you can still miss and stay above your required attendance.
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Class Rank Calculator
Convert your class rank and size into a top percentage and percentile.
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Pass/Fail Calculator
Enter a score and passing threshold to instantly see whether you passed.
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GPA Percentile Calculator
Estimate which percentile your GPA falls in among US high school or college students.
Converters 5
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% to Letter Grade
Enter any percentage score and get the letter grade and GPA equivalent.
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GPA to Letter Grade
Convert a 4.0 GPA to its letter grade, or look up any letter grade's GPA value.
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GPA to Percentage
Get the approximate percentage equivalent for any GPA on the 4.0 scale.
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CGPA to Percentage
Convert a 10-point CGPA to percentage using the standard or a custom factor.
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SGPA to CGPA
Enter SGPA and credits per semester to get your overall credit-weighted CGPA.
Guides 5
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Guides Hub
Index of all in-depth grade and GPA how-to guides.
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How to Calculate GPA
The 4.0 formula, credit-weighting, and a full worked semester example.
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How to Calculate a Weighted Average Grade
Category weights, mid-semester tracking, and common grading mistakes.
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How to Raise Your GPA
The math behind realistic GPA improvement — replacement, withdrawal, credit load.
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Understanding Letter Grades and GPA
Letter, percent, and GPA conversions — and why different schools differ.
Reference & Scales 5
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US GPA Scale
Letter grade to GPA point conversion table for the standard 4.0 scale.
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International Grading Systems
Country-by-country grading guides: India, UK, Australia, Canada, Germany.
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Grading Charts
Complete score-to-grade tables for common test sizes from 10 to 100 points.
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X out of Y as a Percentage
Look up any raw score as a percentage and letter grade, with full tables.
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What Letter Is N%?
Instantly find the letter grade that corresponds to any percentage score.